12-(x+9)=7x+5

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Solution for 12-(x+9)=7x+5 equation:


Simplifying
12 + -1(x + 9) = 7x + 5

Reorder the terms:
12 + -1(9 + x) = 7x + 5
12 + (9 * -1 + x * -1) = 7x + 5
12 + (-9 + -1x) = 7x + 5

Combine like terms: 12 + -9 = 3
3 + -1x = 7x + 5

Reorder the terms:
3 + -1x = 5 + 7x

Solving
3 + -1x = 5 + 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.
3 + -1x + -7x = 5 + 7x + -7x

Combine like terms: -1x + -7x = -8x
3 + -8x = 5 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + -8x = 5 + 0
3 + -8x = 5

Add '-3' to each side of the equation.
3 + -3 + -8x = 5 + -3

Combine like terms: 3 + -3 = 0
0 + -8x = 5 + -3
-8x = 5 + -3

Combine like terms: 5 + -3 = 2
-8x = 2

Divide each side by '-8'.
x = -0.25

Simplifying
x = -0.25

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