30=5x-8x

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Solution for 30=5x-8x equation:


Simplifying
30 = 5x + -8x

Combine like terms: 5x + -8x = -3x
30 = -3x

Solving
30 = -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.
30 + 3x = -3x + 3x

Combine like terms: -3x + 3x = 0
30 + 3x = 0

Add '-30' to each side of the equation.
30 + -30 + 3x = 0 + -30

Combine like terms: 30 + -30 = 0
0 + 3x = 0 + -30
3x = 0 + -30

Combine like terms: 0 + -30 = -30
3x = -30

Divide each side by '3'.
x = -10

Simplifying
x = -10

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