.7(x+60)+.5x=78

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Solution for .7(x+60)+.5x=78 equation:


Simplifying
0.7(x + 60) + 0.5x = 78

Reorder the terms:
0.7(60 + x) + 0.5x = 78
(60 * 0.7 + x * 0.7) + 0.5x = 78
(42 + 0.7x) + 0.5x = 78

Combine like terms: 0.7x + 0.5x = 1.2x
42 + 1.2x = 78

Solving
42 + 1.2x = 78

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 1.2x = 78 + -42

Combine like terms: 42 + -42 = 0
0 + 1.2x = 78 + -42
1.2x = 78 + -42

Combine like terms: 78 + -42 = 36
1.2x = 36

Divide each side by '1.2'.
x = 30

Simplifying
x = 30

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