12x-(7-3x)=8x-30

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Solution for 12x-(7-3x)=8x-30 equation:


Simplifying
12x + -1(7 + -3x) = 8x + -30
12x + (7 * -1 + -3x * -1) = 8x + -30
12x + (-7 + 3x) = 8x + -30

Reorder the terms:
-7 + 12x + 3x = 8x + -30

Combine like terms: 12x + 3x = 15x
-7 + 15x = 8x + -30

Reorder the terms:
-7 + 15x = -30 + 8x

Solving
-7 + 15x = -30 + 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.
-7 + 15x + -8x = -30 + 8x + -8x

Combine like terms: 15x + -8x = 7x
-7 + 7x = -30 + 8x + -8x

Combine like terms: 8x + -8x = 0
-7 + 7x = -30 + 0
-7 + 7x = -30

Add '7' to each side of the equation.
-7 + 7 + 7x = -30 + 7

Combine like terms: -7 + 7 = 0
0 + 7x = -30 + 7
7x = -30 + 7

Combine like terms: -30 + 7 = -23
7x = -23

Divide each side by '7'.
x = -3.285714286

Simplifying
x = -3.285714286

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