8x-3x+84=8x+42

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Solution for 8x-3x+84=8x+42 equation:


Simplifying
8x + -3x + 84 = 8x + 42

Reorder the terms:
84 + 8x + -3x = 8x + 42

Combine like terms: 8x + -3x = 5x
84 + 5x = 8x + 42

Reorder the terms:
84 + 5x = 42 + 8x

Solving
84 + 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.
84 + 5x + -8x = 42 + 8x + -8x

Combine like terms: 5x + -8x = -3x
84 + -3x = 42 + 8x + -8x

Combine like terms: 8x + -8x = 0
84 + -3x = 42 + 0
84 + -3x = 42

Add '-84' to each side of the equation.
84 + -84 + -3x = 42 + -84

Combine like terms: 84 + -84 = 0
0 + -3x = 42 + -84
-3x = 42 + -84

Combine like terms: 42 + -84 = -42
-3x = -42

Divide each side by '-3'.
x = 14

Simplifying
x = 14

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