3x+10-7x-12=18

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Solution for 3x+10-7x-12=18 equation:


Simplifying
3x + 10 + -7x + -12 = 18

Reorder the terms:
10 + -12 + 3x + -7x = 18

Combine like terms: 10 + -12 = -2
-2 + 3x + -7x = 18

Combine like terms: 3x + -7x = -4x
-2 + -4x = 18

Solving
-2 + -4x = 18

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + -4x = 18 + 2

Combine like terms: -2 + 2 = 0
0 + -4x = 18 + 2
-4x = 18 + 2

Combine like terms: 18 + 2 = 20
-4x = 20

Divide each side by '-4'.
x = -5

Simplifying
x = -5

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