-100+2x=7x+40

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Solution for -100+2x=7x+40 equation:


Simplifying
-100 + 2x = 7x + 40

Reorder the terms:
-100 + 2x = 40 + 7x

Solving
-100 + 2x = 40 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-100 + 2x + -7x = 40 + 7x + -7x

Combine like terms: 2x + -7x = -5x
-100 + -5x = 40 + 7x + -7x

Combine like terms: 7x + -7x = 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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