2x+5-7=15

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Solution for 2x+5-7=15 equation: 


Simplifying
2x + 5 + -7 = 15

Reorder the terms:
5 + -7 + 2x = 15

Combine like terms: 5 + -7 = -2
-2 + 2x = 15

Solving
-2 + 2x = 15

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 = 15 + 2

Combine like terms: -2 + 2 = 0
0 + 2x = 15 + 2
2x = 15 + 2

Combine like terms: 15 + 2 = 17
2x = 17

Divide each side by '2'.
x = 8.5

Simplifying
x = 8.5

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