3x-15-7=17

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Solution for 3x-15-7=17 equation:


Simplifying
3x + -15 + -7 = 17

Reorder the terms:
-15 + -7 + 3x = 17

Combine like terms: -15 + -7 = -22
-22 + 3x = 17

Solving
-22 + 3x = 17

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 3x = 17 + 22

Combine like terms: -22 + 22 = 0
0 + 3x = 17 + 22
3x = 17 + 22

Combine like terms: 17 + 22 = 39
3x = 39

Divide each side by '3'.
x = 13

Simplifying
x = 13

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