4x+3+8x=99

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Solution for 4x+3+8x=99 equation:


Simplifying
4x + 3 + 8x = 99

Reorder the terms:
3 + 4x + 8x = 99

Combine like terms: 4x + 8x = 12x
3 + 12x = 99

Solving
3 + 12x = 99

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 12x = 99 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = 99 + -3
12x = 99 + -3

Combine like terms: 99 + -3 = 96
12x = 96

Divide each side by '12'.
x = 8

Simplifying
x = 8

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