12=x+(x+1)+5

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Solution for 12=x+(x+1)+5 equation:


Simplifying
12 = x + (x + 1) + 5

Reorder the terms:
12 = x + (1 + x) + 5

Remove parenthesis around (1 + x)
12 = x + 1 + x + 5

Reorder the terms:
12 = 1 + 5 + x + x

Combine like terms: 1 + 5 = 6
12 = 6 + x + x

Combine like terms: x + x = 2x
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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