-4x-9=87+4x

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Solution for -4x-9=87+4x equation:


Simplifying
-4x + -9 = 87 + 4x

Reorder the terms:
-9 + -4x = 87 + 4x

Solving
-9 + -4x = 87 + 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.
-9 + -4x + -4x = 87 + 4x + -4x

Combine like terms: -4x + -4x = -8x
-9 + -8x = 87 + 4x + -4x

Combine like terms: 4x + -4x = 0
-9 + -8x = 87 + 0
-9 + -8x = 87

Add '9' to each side of the equation.
-9 + 9 + -8x = 87 + 9

Combine like terms: -9 + 9 = 0
0 + -8x = 87 + 9
-8x = 87 + 9

Combine like terms: 87 + 9 = 96
-8x = 96

Divide each side by '-8'.
x = -12

Simplifying
x = -12

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