8x+12=45-3x

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Solution for 8x+12=45-3x equation:


Simplifying
8x + 12 = 45 + -3x

Reorder the terms:
12 + 8x = 45 + -3x

Solving
12 + 8x = 45 + -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.
12 + 8x + 3x = 45 + -3x + 3x

Combine like terms: 8x + 3x = 11x
12 + 11x = 45 + -3x + 3x

Combine like terms: -3x + 3x = 0
12 + 11x = 45 + 0
12 + 11x = 45

Add '-12' to each side of the equation.
12 + -12 + 11x = 45 + -12

Combine like terms: 12 + -12 = 0
0 + 11x = 45 + -12
11x = 45 + -12

Combine like terms: 45 + -12 = 33
11x = 33

Divide each side by '11'.
x = 3

Simplifying
x = 3

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