x+2+x=5+7

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Solution for x+2+x=5+7 equation: 


Simplifying
x + 2 + x = 5 + 7

Reorder the terms:
2 + x + x = 5 + 7

Combine like terms: x + x = 2x
2 + 2x = 5 + 7

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

Solving
2 + 2x = 12

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 + 2x = 12 + -2

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

Combine like terms: 12 + -2 = 10
2x = 10

Divide each side by '2'.
x = 5

Simplifying
x = 5

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