-87+7x=-4x+100

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Solution for -87+7x=-4x+100 equation:


Simplifying
-87 + 7x = -4x + 100

Reorder the terms:
-87 + 7x = 100 + -4x

Solving
-87 + 7x = 100 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-87 + 7x + 4x = 100 + -4x + 4x

Combine like terms: 7x + 4x = 11x
-87 + 11x = 100 + -4x + 4x

Combine like terms: -4x + 4x = 0
-87 + 11x = 100 + 0
-87 + 11x = 100

Add '87' to each side of the equation.
-87 + 87 + 11x = 100 + 87

Combine like terms: -87 + 87 = 0
0 + 11x = 100 + 87
11x = 100 + 87

Combine like terms: 100 + 87 = 187
11x = 187

Divide each side by '11'.
x = 17

Simplifying
x = 17

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