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

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


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

Reorder the terms:
-7 + 12x + -8x = 12 + -1(-7 + 8 + -3)

Combine like terms: 12x + -8x = 4x
-7 + 4x = 12 + -1(-7 + 8 + -3)

Combine like terms: -7 + 8 = 1
-7 + 4x = 12 + -1(1 + -3)

Combine like terms: 1 + -3 = -2
-7 + 4x = 12 + -1(-2)

Multiply -1 * -2
-7 + 4x = 12 + 2

Combine like terms: 12 + 2 = 14
-7 + 4x = 14

Solving
-7 + 4x = 14

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 4x = 14 + 7

Combine like terms: -7 + 7 = 0
0 + 4x = 14 + 7
4x = 14 + 7

Combine like terms: 14 + 7 = 21
4x = 21

Divide each side by '4'.
x = 5.25

Simplifying
x = 5.25

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