.40(x+30)+.80x=48

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Solution for .40(x+30)+.80x=48 equation:


Simplifying
0.40(x + 30) + 0.80x = 48

Reorder the terms:
0.40(30 + x) + 0.80x = 48
(30 * 0.40 + x * 0.40) + 0.80x = 48
(12 + 0.40x) + 0.80x = 48

Combine like terms: 0.40x + 0.80x = 1.2x
12 + 1.2x = 48

Solving
12 + 1.2x = 48

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 1.2x = 48 + -12

Combine like terms: 12 + -12 = 0
0 + 1.2x = 48 + -12
1.2x = 48 + -12

Combine like terms: 48 + -12 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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