-100-7x=-12x+40

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Solution for -100-7x=-12x+40 equation:


Simplifying
-100 + -7x = -12x + 40

Reorder the terms:
-100 + -7x = 40 + -12x

Solving
-100 + -7x = 40 + -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.
-100 + -7x + 12x = 40 + -12x + 12x

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

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

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

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

Combine like terms: 40 + 100 = 140
5x = 140

Divide each side by '5'.
x = 28

Simplifying
x = 28

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