x-87=-6x+42

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Solution for x-87=-6x+42 equation:


Simplifying
x + -87 = -6x + 42

Reorder the terms:
-87 + x = -6x + 42

Reorder the terms:
-87 + x = 42 + -6x

Solving
-87 + x = 42 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
-87 + x + 6x = 42 + -6x + 6x

Combine like terms: x + 6x = 7x
-87 + 7x = 42 + -6x + 6x

Combine like terms: -6x + 6x = 0
-87 + 7x = 42 + 0
-87 + 7x = 42

Add '87' to each side of the equation.
-87 + 87 + 7x = 42 + 87

Combine like terms: -87 + 87 = 0
0 + 7x = 42 + 87
7x = 42 + 87

Combine like terms: 42 + 87 = 129
7x = 129

Divide each side by '7'.
x = 18.42857143

Simplifying
x = 18.42857143

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