3X+7=2X-8

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Solution for 3X+7=2X-8 equation:


Simplifying
3X + 7 = 2X + -8

Reorder the terms:
7 + 3X = 2X + -8

Reorder the terms:
7 + 3X = -8 + 2X

Solving
7 + 3X = -8 + 2X

Solving for variable 'X'.

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

Add '-2X' to each side of the equation.
7 + 3X + -2X = -8 + 2X + -2X

Combine like terms: 3X + -2X = 1X
7 + 1X = -8 + 2X + -2X

Combine like terms: 2X + -2X = 0
7 + 1X = -8 + 0
7 + 1X = -8

Add '-7' to each side of the equation.
7 + -7 + 1X = -8 + -7

Combine like terms: 7 + -7 = 0
0 + 1X = -8 + -7
1X = -8 + -7

Combine like terms: -8 + -7 = -15
1X = -15

Divide each side by '1'.
X = -15

Simplifying
X = -15

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