9x+8=7x+20

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Solution for 9x+8=7x+20 equation:


Simplifying
9x + 8 = 7x + 20

Reorder the terms:
8 + 9x = 7x + 20

Reorder the terms:
8 + 9x = 20 + 7x

Solving
8 + 9x = 20 + 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 = 20 + 7x + -7x

Combine like terms: 9x + -7x = 2x
8 + 2x = 20 + 7x + -7x

Combine like terms: 7x + -7x = 0
8 + 2x = 20 + 0
8 + 2x = 20

Add '-8' to each side of the equation.
8 + -8 + 2x = 20 + -8

Combine like terms: 8 + -8 = 0
0 + 2x = 20 + -8
2x = 20 + -8

Combine like terms: 20 + -8 = 12
2x = 12

Divide each side by '2'.
x = 6

Simplifying
x = 6

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