3X+15=2X+7

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Solution for 3X+15=2X+7 equation:


Simplifying
3X + 15 = 2X + 7

Reorder the terms:
15 + 3X = 2X + 7

Reorder the terms:
15 + 3X = 7 + 2X

Solving
15 + 3X = 7 + 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.
15 + 3X + -2X = 7 + 2X + -2X

Combine like terms: 3X + -2X = 1X
15 + 1X = 7 + 2X + -2X

Combine like terms: 2X + -2X = 0
15 + 1X = 7 + 0
15 + 1X = 7

Add '-15' to each side of the equation.
15 + -15 + 1X = 7 + -15

Combine like terms: 15 + -15 = 0
0 + 1X = 7 + -15
1X = 7 + -15

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

Divide each side by '1'.
X = -8

Simplifying
X = -8

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