0.8(x+50)+x=121

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Solution for 0.8(x+50)+x=121 equation: 


Simplifying
0.8(x + 50) + x = 121

Reorder the terms:
0.8(50 + x) + x = 121
(50 * 0.8 + x * 0.8) + x = 121
(40 + 0.8x) + x = 121

Combine like terms: 0.8x + x = 1.8x
40 + 1.8x = 121

Solving
40 + 1.8x = 121

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 1.8x = 121 + -40

Combine like terms: 40 + -40 = 0
0 + 1.8x = 121 + -40
1.8x = 121 + -40

Combine like terms: 121 + -40 = 81
1.8x = 81

Divide each side by '1.8'.
x = 45

Simplifying
x = 45

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