7x+8+9x=12

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Solution for 7x+8+9x=12 equation: 


Simplifying
7x + 8 + 9x = 12

Reorder the terms:
8 + 7x + 9x = 12

Combine like terms: 7x + 9x = 16x
8 + 16x = 12

Solving
8 + 16x = 12

Solving for variable 'x'.

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

Add '-8' to each side of the equation.
8 + -8 + 16x = 12 + -8

Combine like terms: 8 + -8 = 0
0 + 16x = 12 + -8
16x = 12 + -8

Combine like terms: 12 + -8 = 4
16x = 4

Divide each side by '16'.
x = 0.25

Simplifying
x = 0.25

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