(9x+12)+(7x+8)=

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


Simplifying
(9x + 12) + (7x + 8) = 0

Reorder the terms:
(12 + 9x) + (7x + 8) = 0

Remove parenthesis around (12 + 9x)
12 + 9x + (7x + 8) = 0

Reorder the terms:
12 + 9x + (8 + 7x) = 0

Remove parenthesis around (8 + 7x)
12 + 9x + 8 + 7x = 0

Reorder the terms:
12 + 8 + 9x + 7x = 0

Combine like terms: 12 + 8 = 20
20 + 9x + 7x = 0

Combine like terms: 9x + 7x = 16x
20 + 16x = 0

Solving
20 + 16x = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + 16x = 0 + -20

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

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

Divide each side by '16'.
x = -1.25

Simplifying
x = -1.25

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