0.7(x+30)+0.7x=70

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Solution for 0.7(x+30)+0.7x=70 equation: 


Simplifying
0.7(x + 30) + 0.7x = 70

Reorder the terms:
0.7(30 + x) + 0.7x = 70
(30 * 0.7 + x * 0.7) + 0.7x = 70
(21 + 0.7x) + 0.7x = 70

Combine like terms: 0.7x + 0.7x = 1.4x
21 + 1.4x = 70

Solving
21 + 1.4x = 70

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 1.4x = 70 + -21

Combine like terms: 21 + -21 = 0
0 + 1.4x = 70 + -21
1.4x = 70 + -21

Combine like terms: 70 + -21 = 49
1.4x = 49

Divide each side by '1.4'.
x = 35

Simplifying
x = 35

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