问题
Solve the equation
x=−43
Alternative Form
x=−0.75
Evaluate
32(31x−21)=4x+221
Multiply the terms
更多步骤

Evaluate
32(31x−21)
Apply the distributive property
32×31x−32×21
Multiply the numbers
更多步骤

Evaluate
32×31
To multiply the fractions,multiply the numerators and denominators separately
3×32
Multiply the numbers
92
92x−32×21
Multiply the numbers
更多步骤

Evaluate
32×21
Reduce the numbers
31×1
Multiply the numbers
31
92x−31
92x−31=4x+221
Covert the mixed number to an improper fraction
更多步骤

Evaluate
221
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
22×2+1
Multiply the terms
24+1
Add the terms
25
92x−31=4x+25
Multiply both sides of the equation by LCM
(92x−31)×18=(4x+25)×18
Calculate
更多步骤

Evaluate
(92x−31)×18
Apply the distributive property
92x×18−31×18
Multiply the numbers
更多步骤

Evaluate
92×18
Reduce the numbers
2×2
Multiply the numbers
4
4x−31×18
Multiply the numbers
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Evaluate
−31×18
Reduce the numbers
−1×6
Simplify
−6
4x−6
4x−6=(4x+25)×18
Calculate
更多步骤

Evaluate
(4x+25)×18
Apply the distributive property
4x×18+25×18
Multiply the numbers
72x+25×18
Multiply the numbers
更多步骤

Evaluate
25×18
Reduce the numbers
5×9
Multiply the numbers
45
72x+45
4x−6=72x+45
Move the expression to the left side
4x−6−72x=45
Move the expression to the right side
4x−72x=45+6
Add and subtract
更多步骤

Evaluate
4x−72x
Collect like terms by calculating the sum or difference of their coefficients
(4−72)x
Subtract the numbers
−68x
−68x=45+6
Add and subtract
−68x=51
Change the signs on both sides of the equation
68x=−51
Divide both sides
6868x=68−51
Divide the numbers
x=68−51
解题方案
更多步骤

Evaluate
68−51
Cancel out the common factor 17
4−3
Use b−a=−ba=−ba to rewrite the fraction
−43
x=−43
Alternative Form
x=−0.75
显示解题方案

Rewrite the equation
4x=−3
Evaluate
32(31x−21)=4x+221
Evaluate
更多步骤

Evaluate
32(31x−21)
Apply the distributive property
32×31x−32×21
Multiply the numbers
更多步骤

Evaluate
32×31
To multiply the fractions,multiply the numerators and denominators separately
3×32
Multiply the numbers
92
92x−32×21
Multiply the numbers
更多步骤

Evaluate
32×21
Reduce the numbers
31×1
Multiply the numbers
31
92x−31
92x−31=4x+221
Covert the mixed number to an improper fraction
更多步骤

Evaluate
4x+221
Covert the mixed number to an improper fraction
更多步骤

Evaluate
221
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
22×2+1
Multiply the terms
24+1
Add the terms
25
4x+25
92x−31=4x+25
Multiply both sides of the equation by LCD
4x−6=72x+45
Move the variable to the left side
−68x−6=45
Move the constant to the right side
−68x=51
Multiply both sides
68x=−51
解题方案
4x=−3
显示解题方案
