7x+12=20-9x

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Solution for 7x+12=20-9x equation:


Simplifying
7x + 12 = 20 + -9x

Reorder the terms:
12 + 7x = 20 + -9x

Solving
12 + 7x = 20 + -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
12 + 7x + 9x = 20 + -9x + 9x

Combine like terms: 7x + 9x = 16x
12 + 16x = 20 + -9x + 9x

Combine like terms: -9x + 9x = 0
12 + 16x = 20 + 0
12 + 16x = 20

Add '-12' to each side of the equation.
12 + -12 + 16x = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 16x = 20 + -12
16x = 20 + -12

Combine like terms: 20 + -12 = 8
16x = 8

Divide each side by '16'.
x = 0.5

Simplifying
x = 0.5

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