10x-15=-8x+21

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Solution for 10x-15=-8x+21 equation:


Simplifying
10x + -15 = -8x + 21

Reorder the terms:
-15 + 10x = -8x + 21

Reorder the terms:
-15 + 10x = 21 + -8x

Solving
-15 + 10x = 21 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-15 + 10x + 8x = 21 + -8x + 8x

Combine like terms: 10x + 8x = 18x
-15 + 18x = 21 + -8x + 8x

Combine like terms: -8x + 8x = 0
-15 + 18x = 21 + 0
-15 + 18x = 21

Add '15' to each side of the equation.
-15 + 15 + 18x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 18x = 21 + 15
18x = 21 + 15

Combine like terms: 21 + 15 = 36
18x = 36

Divide each side by '18'.
x = 2

Simplifying
x = 2

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