3x-8=11x+21

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Solution for 3x-8=11x+21 equation:


Simplifying
3x + -8 = 11x + 21

Reorder the terms:
-8 + 3x = 11x + 21

Reorder the terms:
-8 + 3x = 21 + 11x

Solving
-8 + 3x = 21 + 11x

Solving for variable 'x'.

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

Add '-11x' to each side of the equation.
-8 + 3x + -11x = 21 + 11x + -11x

Combine like terms: 3x + -11x = -8x
-8 + -8x = 21 + 11x + -11x

Combine like terms: 11x + -11x = 0
-8 + -8x = 21 + 0
-8 + -8x = 21

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

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

Combine like terms: 21 + 8 = 29
-8x = 29

Divide each side by '-8'.
x = -3.625

Simplifying
x = -3.625

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