9x+8=7x+42

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Solution for 9x+8=7x+42 equation:


Simplifying
9x + 8 = 7x + 42

Reorder the terms:
8 + 9x = 7x + 42

Reorder the terms:
8 + 9x = 42 + 7x

Solving
8 + 9x = 42 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
8 + 9x + -7x = 42 + 7x + -7x

Combine like terms: 9x + -7x = 2x
8 + 2x = 42 + 7x + -7x

Combine like terms: 7x + -7x = 0
8 + 2x = 42 + 0
8 + 2x = 42

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

Combine like terms: 8 + -8 = 0
0 + 2x = 42 + -8
2x = 42 + -8

Combine like terms: 42 + -8 = 34
2x = 34

Divide each side by '2'.
x = 17

Simplifying
x = 17

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