8x+42=2x+90

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Solution for 8x+42=2x+90 equation:


Simplifying
8x + 42 = 2x + 90

Reorder the terms:
42 + 8x = 2x + 90

Reorder the terms:
42 + 8x = 90 + 2x

Solving
42 + 8x = 90 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
42 + 8x + -2x = 90 + 2x + -2x

Combine like terms: 8x + -2x = 6x
42 + 6x = 90 + 2x + -2x

Combine like terms: 2x + -2x = 0
42 + 6x = 90 + 0
42 + 6x = 90

Add '-42' to each side of the equation.
42 + -42 + 6x = 90 + -42

Combine like terms: 42 + -42 = 0
0 + 6x = 90 + -42
6x = 90 + -42

Combine like terms: 90 + -42 = 48
6x = 48

Divide each side by '6'.
x = 8

Simplifying
x = 8

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