8x-3x-99=8x+42

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Solution for 8x-3x-99=8x+42 equation:


Simplifying
8x + -3x + -99 = 8x + 42

Reorder the terms:
-99 + 8x + -3x = 8x + 42

Combine like terms: 8x + -3x = 5x
-99 + 5x = 8x + 42

Reorder the terms:
-99 + 5x = 42 + 8x

Solving
-99 + 5x = 42 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-99 + 5x + -8x = 42 + 8x + -8x

Combine like terms: 5x + -8x = -3x
-99 + -3x = 42 + 8x + -8x

Combine like terms: 8x + -8x = 0
-99 + -3x = 42 + 0
-99 + -3x = 42

Add '99' to each side of the equation.
-99 + 99 + -3x = 42 + 99

Combine like terms: -99 + 99 = 0
0 + -3x = 42 + 99
-3x = 42 + 99

Combine like terms: 42 + 99 = 141
-3x = 141

Divide each side by '-3'.
x = -47

Simplifying
x = -47

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