12=4+2(1+x)

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Solution for 12=4+2(1+x) equation:


Simplifying
12 = 4 + 2(1 + x)
12 = 4 + (1 * 2 + x * 2)
12 = 4 + (2 + 2x)

Combine like terms: 4 + 2 = 6
12 = 6 + 2x

Solving
12 = 6 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
12 + -2x = 6 + 2x + -2x

Combine like terms: 2x + -2x = 0
12 + -2x = 6 + 0
12 + -2x = 6

Add '-12' to each side of the equation.
12 + -12 + -2x = 6 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 6 + -12
-2x = 6 + -12

Combine like terms: 6 + -12 = -6
-2x = -6

Divide each side by '-2'.
x = 3

Simplifying
x = 3

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