12-4x=-8x+21+15answer

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Solution for 12-4x=-8x+21+15answer equation:


Simplifying
12 + -4x = -8x + 21 + 15answer

Reorder the terms:
12 + -4x = 21 + 15aenrsw + -8x

Solving
12 + -4x = 21 + 15aenrsw + -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.
12 + -4x + 8x = 21 + 15aenrsw + -8x + 8x

Combine like terms: -4x + 8x = 4x
12 + 4x = 21 + 15aenrsw + -8x + 8x

Combine like terms: -8x + 8x = 0
12 + 4x = 21 + 15aenrsw + 0
12 + 4x = 21 + 15aenrsw

Add '-12' to each side of the equation.
12 + -12 + 4x = 21 + -12 + 15aenrsw

Combine like terms: 12 + -12 = 0
0 + 4x = 21 + -12 + 15aenrsw
4x = 21 + -12 + 15aenrsw

Combine like terms: 21 + -12 = 9
4x = 9 + 15aenrsw

Divide each side by '4'.
x = 2.25 + 3.75aenrsw

Simplifying
x = 2.25 + 3.75aenrsw

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