0.50(x+100)+0.30x=66

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Solution for 0.50(x+100)+0.30x=66 equation: 


Simplifying
0.50(x + 100) + 0.30x = 66

Reorder the terms:
0.50(100 + x) + 0.30x = 66
(100 * 0.50 + x * 0.50) + 0.30x = 66
(50 + 0.50x) + 0.30x = 66

Combine like terms: 0.50x + 0.30x = 0.8x
50 + 0.8x = 66

Solving
50 + 0.8x = 66

Solving for variable 'x'.

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

Add '-50' to each side of the equation.
50 + -50 + 0.8x = 66 + -50

Combine like terms: 50 + -50 = 0
0 + 0.8x = 66 + -50
0.8x = 66 + -50

Combine like terms: 66 + -50 = 16
0.8x = 16

Divide each side by '0.8'.
x = 20

Simplifying
x = 20

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