3+2(x-9)=12-7

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Solution for 3+2(x-9)=12-7 equation:


Simplifying
3 + 2(x + -9) = 12 + -7

Reorder the terms:
3 + 2(-9 + x) = 12 + -7
3 + (-9 * 2 + x * 2) = 12 + -7
3 + (-18 + 2x) = 12 + -7

Combine like terms: 3 + -18 = -15
-15 + 2x = 12 + -7

Combine like terms: 12 + -7 = 5
-15 + 2x = 5

Solving
-15 + 2x = 5

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 2x = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 2x = 5 + 15
2x = 5 + 15

Combine like terms: 5 + 15 = 20
2x = 20

Divide each side by '2'.
x = 10

Simplifying
x = 10

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