Question
Solve the equation
x=−19
Evaluate
34(x−5)=21(3x−7)
Multiply the terms
More Steps

Evaluate
34(x−5)
Apply the distributive property
34x−34×5
Multiply the numbers
More Steps

Evaluate
34×5
Multiply the numbers
34×5
Multiply the numbers
320
34x−320
34x−320=21(3x−7)
Multiply the terms
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Evaluate
21(3x−7)
Apply the distributive property
21×3x−21×7
Multiply the numbers
23x−21×7
Multiply the numbers
23x−27
34x−320=23x−27
Multiply both sides of the equation by LCM
(34x−320)×6=(23x−27)×6
Calculate
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Evaluate
(34x−320)×6
Apply the distributive property
34x×6−320×6
Multiply the numbers
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Evaluate
34×6
Reduce the numbers
4×2
Multiply the numbers
8
8x−320×6
Multiply the numbers
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Evaluate
−320×6
Reduce the numbers
−20×2
Multiply the numbers
−40
8x−40
8x−40=(23x−27)×6
Calculate
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Evaluate
(23x−27)×6
Apply the distributive property
23x×6−27×6
Multiply the numbers
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Evaluate
23×6
Reduce the numbers
3×3
Multiply the numbers
9
9x−27×6
Multiply the numbers
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Evaluate
−27×6
Reduce the numbers
−7×3
Multiply the numbers
−21
9x−21
8x−40=9x−21
Move the expression to the left side
8x−40−9x=−21
Move the expression to the right side
8x−9x=−21+40
Add and subtract
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Evaluate
8x−9x
Collect like terms by calculating the sum or difference of their coefficients
(8−9)x
Subtract the numbers
−x
−x=−21+40
Add and subtract
−x=19
Solution
x=−19
Show Solution

Rewrite the equation
x=−19
Evaluate
34(x−5)=21(3x−7)
Evaluate
More Steps

Evaluate
34(x−5)
Apply the distributive property
34x−34×5
Multiply the numbers
More Steps

Evaluate
34×5
Multiply the numbers
34×5
Multiply the numbers
320
34x−320
34x−320=21(3x−7)
Evaluate
More Steps

Evaluate
21(3x−7)
Apply the distributive property
21×3x−21×7
Multiply the numbers
23x−21×7
Multiply the numbers
23x−27
34x−320=23x−27
Multiply both sides of the equation by LCD
8x−40=9x−21
Move the variable to the left side
−x−40=−21
Move the constant to the right side
−x=19
Solution
x=−19
Show Solution
