7x-4=-9x+-84

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Solution for 7x-4=-9x+-84 equation:


Simplifying
7x + -4 = -9x + -84

Reorder the terms:
-4 + 7x = -9x + -84

Reorder the terms:
-4 + 7x = -84 + -9x

Solving
-4 + 7x = -84 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
-4 + 7x + 9x = -84 + -9x + 9x

Combine like terms: 7x + 9x = 16x
-4 + 16x = -84 + -9x + 9x

Combine like terms: -9x + 9x = 0
-4 + 16x = -84 + 0
-4 + 16x = -84

Add '4' to each side of the equation.
-4 + 4 + 16x = -84 + 4

Combine like terms: -4 + 4 = 0
0 + 16x = -84 + 4
16x = -84 + 4

Combine like terms: -84 + 4 = -80
16x = -80

Divide each side by '16'.
x = -5

Simplifying
x = -5

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