0.6(x+30)+1.2x=99

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Solution for 0.6(x+30)+1.2x=99 equation:


Simplifying
0.6(x + 30) + 1.2x = 99

Reorder the terms:
0.6(30 + x) + 1.2x = 99
(30 * 0.6 + x * 0.6) + 1.2x = 99
(18 + 0.6x) + 1.2x = 99

Combine like terms: 0.6x + 1.2x = 1.8x
18 + 1.8x = 99

Solving
18 + 1.8x = 99

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 1.8x = 99 + -18

Combine like terms: 18 + -18 = 0
0 + 1.8x = 99 + -18
1.8x = 99 + -18

Combine like terms: 99 + -18 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45

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