4x+12=100-5x

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Solution for 4x+12=100-5x equation:


Simplifying
4x + 12 = 100 + -5x

Reorder the terms:
12 + 4x = 100 + -5x

Solving
12 + 4x = 100 + -5x

Solving for variable 'x'.

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

Add '5x' to each side of the equation.
12 + 4x + 5x = 100 + -5x + 5x

Combine like terms: 4x + 5x = 9x
12 + 9x = 100 + -5x + 5x

Combine like terms: -5x + 5x = 0
12 + 9x = 100 + 0
12 + 9x = 100

Add '-12' to each side of the equation.
12 + -12 + 9x = 100 + -12

Combine like terms: 12 + -12 = 0
0 + 9x = 100 + -12
9x = 100 + -12

Combine like terms: 100 + -12 = 88
9x = 88

Divide each side by '9'.
x = 9.777777778

Simplifying
x = 9.777777778

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