7x-15=2x-40

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Solution for 7x-15=2x-40 equation:


Simplifying
7x + -15 = 2x + -40

Reorder the terms:
-15 + 7x = 2x + -40

Reorder the terms:
-15 + 7x = -40 + 2x

Solving
-15 + 7x = -40 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-15 + 7x + -2x = -40 + 2x + -2x

Combine like terms: 7x + -2x = 5x
-15 + 5x = -40 + 2x + -2x

Combine like terms: 2x + -2x = 0
-15 + 5x = -40 + 0
-15 + 5x = -40

Add '15' to each side of the equation.
-15 + 15 + 5x = -40 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = -40 + 15
5x = -40 + 15

Combine like terms: -40 + 15 = -25
5x = -25

Divide each side by '5'.
x = -5

Simplifying
x = -5

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