12x+30=4x-5

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Solution for 12x+30=4x-5 equation:


Simplifying
12x + 30 = 4x + -5

Reorder the terms:
30 + 12x = 4x + -5

Reorder the terms:
30 + 12x = -5 + 4x

Solving
30 + 12x = -5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
30 + 12x + -4x = -5 + 4x + -4x

Combine like terms: 12x + -4x = 8x
30 + 8x = -5 + 4x + -4x

Combine like terms: 4x + -4x = 0
30 + 8x = -5 + 0
30 + 8x = -5

Add '-30' to each side of the equation.
30 + -30 + 8x = -5 + -30

Combine like terms: 30 + -30 = 0
0 + 8x = -5 + -30
8x = -5 + -30

Combine like terms: -5 + -30 = -35
8x = -35

Divide each side by '8'.
x = -4.375

Simplifying
x = -4.375

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