-7x-40=-12x+45

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Solution for -7x-40=-12x+45 equation:


Simplifying
-7x + -40 = -12x + 45

Reorder the terms:
-40 + -7x = -12x + 45

Reorder the terms:
-40 + -7x = 45 + -12x

Solving
-40 + -7x = 45 + -12x

Solving for variable 'x'.

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

Add '12x' to each side of the equation.
-40 + -7x + 12x = 45 + -12x + 12x

Combine like terms: -7x + 12x = 5x
-40 + 5x = 45 + -12x + 12x

Combine like terms: -12x + 12x = 0
-40 + 5x = 45 + 0
-40 + 5x = 45

Add '40' to each side of the equation.
-40 + 40 + 5x = 45 + 40

Combine like terms: -40 + 40 = 0
0 + 5x = 45 + 40
5x = 45 + 40

Combine like terms: 45 + 40 = 85
5x = 85

Divide each side by '5'.
x = 17

Simplifying
x = 17

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