12+2(x-7)+x=28

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Solution for 12+2(x-7)+x=28 equation:


Simplifying
12 + 2(x + -7) + x = 28

Reorder the terms:
12 + 2(-7 + x) + x = 28
12 + (-7 * 2 + x * 2) + x = 28
12 + (-14 + 2x) + x = 28

Combine like terms: 12 + -14 = -2
-2 + 2x + x = 28

Combine like terms: 2x + x = 3x
-2 + 3x = 28

Solving
-2 + 3x = 28

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 3x = 28 + 2

Combine like terms: -2 + 2 = 0
0 + 3x = 28 + 2
3x = 28 + 2

Combine like terms: 28 + 2 = 30
3x = 30

Divide each side by '3'.
x = 10

Simplifying
x = 10

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