2x-15=-3x+21

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Solution for 2x-15=-3x+21 equation:


Simplifying
2x + -15 = -3x + 21

Reorder the terms:
-15 + 2x = -3x + 21

Reorder the terms:
-15 + 2x = 21 + -3x

Solving
-15 + 2x = 21 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-15 + 2x + 3x = 21 + -3x + 3x

Combine like terms: 2x + 3x = 5x
-15 + 5x = 21 + -3x + 3x

Combine like terms: -3x + 3x = 0
-15 + 5x = 21 + 0
-15 + 5x = 21

Add '15' to each side of the equation.
-15 + 15 + 5x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 5x = 21 + 15
5x = 21 + 15

Combine like terms: 21 + 15 = 36
5x = 36

Divide each side by '5'.
x = 7.2

Simplifying
x = 7.2

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