0.7(x+100)+0.9x=134

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Solution for 0.7(x+100)+0.9x=134 equation: 


Simplifying
0.7(x + 100) + 0.9x = 134

Reorder the terms:
0.7(100 + x) + 0.9x = 134
(100 * 0.7 + x * 0.7) + 0.9x = 134
(70 + 0.7x) + 0.9x = 134

Combine like terms: 0.7x + 0.9x = 1.6x
70 + 1.6x = 134

Solving
70 + 1.6x = 134

Solving for variable 'x'.

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

Add '-70' to each side of the equation.
70 + -70 + 1.6x = 134 + -70

Combine like terms: 70 + -70 = 0
0 + 1.6x = 134 + -70
1.6x = 134 + -70

Combine like terms: 134 + -70 = 64
1.6x = 64

Divide each side by '1.6'.
x = 40

Simplifying
x = 40

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