10x+30=3x-12

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Solution for 10x+30=3x-12 equation:


Simplifying
10x + 30 = 3x + -12

Reorder the terms:
30 + 10x = 3x + -12

Reorder the terms:
30 + 10x = -12 + 3x

Solving
30 + 10x = -12 + 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 + 10x + -3x = -12 + 3x + -3x

Combine like terms: 10x + -3x = 7x
30 + 7x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
30 + 7x = -12 + 0
30 + 7x = -12

Add '-30' to each side of the equation.
30 + -30 + 7x = -12 + -30

Combine like terms: 30 + -30 = 0
0 + 7x = -12 + -30
7x = -12 + -30

Combine like terms: -12 + -30 = -42
7x = -42

Divide each side by '7'.
x = -6

Simplifying
x = -6

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