Question
Solve the equation
Solve for x
x=−1936
Alternative Form
x≈−1.894737
Evaluate
5(−2x−3)=9x+21
Expand the expression
More Steps

Evaluate
5(−2x−3)
Apply the distributive property
5(−2x)−5×3
Multiply the numbers
More Steps

Evaluate
5(−2)
Multiplying or dividing an odd number of negative terms equals a negative
−5×2
Multiply the numbers
−10
−10x−5×3
Multiply the numbers
−10x−15
−10x−15=9x+21
Move the expression to the left side
−10x−15−9x=21
Move the expression to the right side
−10x−9x=21+15
Add and subtract
More Steps

Evaluate
−10x−9x
Collect like terms by calculating the sum or difference of their coefficients
(−10−9)x
Subtract the numbers
−19x
−19x=21+15
Add and subtract
−19x=36
Change the signs on both sides of the equation
19x=−36
Divide both sides
1919x=19−36
Divide the numbers
x=19−36
Solution
x=−1936
Alternative Form
x≈−1.894737
Show Solution
Rewrite the equation
Rewrite in standard form
19x=−36
Evaluate
5(−2x−3)=9x+21
Multiply
More Steps

Evaluate
5(−2x−3)
Apply the distributive property
5(−2x)−5×3
Multiply the numbers
More Steps

Evaluate
5(−2)
Multiplying or dividing an odd number of negative terms equals a negative
−5×2
Multiply the numbers
−10
−10x−5×3
Multiply the numbers
−10x−15
−10x−15=9x+21
Move the variable to the left side
−19x−15=21
Move the constant to the right side
−19x=36
Solution
19x=−36
Show Solution