0.7(x+60)+0.7x=91

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Solution for 0.7(x+60)+0.7x=91 equation:


Simplifying
0.7(x + 60) + 0.7x = 91

Reorder the terms:
0.7(60 + x) + 0.7x = 91
(60 * 0.7 + x * 0.7) + 0.7x = 91
(42 + 0.7x) + 0.7x = 91

Combine like terms: 0.7x + 0.7x = 1.4x
42 + 1.4x = 91

Solving
42 + 1.4x = 91

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 + 1.4x = 91 + -42

Combine like terms: 42 + -42 = 0
0 + 1.4x = 91 + -42
1.4x = 91 + -42

Combine like terms: 91 + -42 = 49
1.4x = 49

Divide each side by '1.4'.
x = 35

Simplifying
x = 35

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