2x-7=23+12

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Solution for 2x-7=23+12 equation: 


Simplifying
2x + -7 = 23 + 12

Reorder the terms:
-7 + 2x = 23 + 12

Combine like terms: 23 + 12 = 35
-7 + 2x = 35

Solving
-7 + 2x = 35

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = 35 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 35 + 7
2x = 35 + 7

Combine like terms: 35 + 7 = 42
2x = 42

Divide each side by '2'.
x = 21

Simplifying
x = 21

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