-7x-40=5(x+20)

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Solution for -7x-40=5(x+20) equation:


Simplifying
-7x + -40 = 5(x + 20)

Reorder the terms:
-40 + -7x = 5(x + 20)

Reorder the terms:
-40 + -7x = 5(20 + x)
-40 + -7x = (20 * 5 + x * 5)
-40 + -7x = (100 + 5x)

Solving
-40 + -7x = 100 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.
-40 + -7x + -5x = 100 + 5x + -5x

Combine like terms: -7x + -5x = -12x
-40 + -12x = 100 + 5x + -5x

Combine like terms: 5x + -5x = 0
-40 + -12x = 100 + 0
-40 + -12x = 100

Add '40' to each side of the equation.
-40 + 40 + -12x = 100 + 40

Combine like terms: -40 + 40 = 0
0 + -12x = 100 + 40
-12x = 100 + 40

Combine like terms: 100 + 40 = 140
-12x = 140

Divide each side by '-12'.
x = -11.66666667

Simplifying
x = -11.66666667

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