7x+6-42=84-8x

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Solution for 7x+6-42=84-8x equation:


Simplifying
7x + 6 + -42 = 84 + -8x

Reorder the terms:
6 + -42 + 7x = 84 + -8x

Combine like terms: 6 + -42 = -36
-36 + 7x = 84 + -8x

Solving
-36 + 7x = 84 + -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.
-36 + 7x + 8x = 84 + -8x + 8x

Combine like terms: 7x + 8x = 15x
-36 + 15x = 84 + -8x + 8x

Combine like terms: -8x + 8x = 0
-36 + 15x = 84 + 0
-36 + 15x = 84

Add '36' to each side of the equation.
-36 + 36 + 15x = 84 + 36

Combine like terms: -36 + 36 = 0
0 + 15x = 84 + 36
15x = 84 + 36

Combine like terms: 84 + 36 = 120
15x = 120

Divide each side by '15'.
x = 8

Simplifying
x = 8

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