0.8(x+100)+0.6x=129

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Solution for 0.8(x+100)+0.6x=129 equation:


Simplifying
0.8(x + 100) + 0.6x = 129

Reorder the terms:
0.8(100 + x) + 0.6x = 129
(100 * 0.8 + x * 0.8) + 0.6x = 129
(80 + 0.8x) + 0.6x = 129

Combine like terms: 0.8x + 0.6x = 1.4x
80 + 1.4x = 129

Solving
80 + 1.4x = 129

Solving for variable 'x'.

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

Add '-80' to each side of the equation.
80 + -80 + 1.4x = 129 + -80

Combine like terms: 80 + -80 = 0
0 + 1.4x = 129 + -80
1.4x = 129 + -80

Combine like terms: 129 + -80 = 49
1.4x = 49

Divide each side by '1.4'.
x = 35

Simplifying
x = 35

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