3X+7+2X-7=90

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Solution for 3X+7+2X-7=90 equation: 


Simplifying
3X + 7 + 2X + -7 = 90

Reorder the terms:
7 + -7 + 3X + 2X = 90

Combine like terms: 7 + -7 = 0
0 + 3X + 2X = 90
3X + 2X = 90

Combine like terms: 3X + 2X = 5X
5X = 90

Solving
5X = 90

Solving for variable 'X'.

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

Divide each side by '5'.
X = 18

Simplifying
X = 18

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