4x+3=8x-12

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Solution for 4x+3=8x-12 equation:


Simplifying
4x + 3 = 8x + -12

Reorder the terms:
3 + 4x = 8x + -12

Reorder the terms:
3 + 4x = -12 + 8x

Solving
3 + 4x = -12 + 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.
3 + 4x + -8x = -12 + 8x + -8x

Combine like terms: 4x + -8x = -4x
3 + -4x = -12 + 8x + -8x

Combine like terms: 8x + -8x = 0
3 + -4x = -12 + 0
3 + -4x = -12

Add '-3' to each side of the equation.
3 + -3 + -4x = -12 + -3

Combine like terms: 3 + -3 = 0
0 + -4x = -12 + -3
-4x = -12 + -3

Combine like terms: -12 + -3 = -15
-4x = -15

Divide each side by '-4'.
x = 3.75

Simplifying
x = 3.75

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