.2x+.5x=7

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Solution for .2x+.5x=7 equation: 


Simplifying
0.2x + 0.5x = 7

Combine like terms: 0.2x + 0.5x = 0.7x
0.7x = 7

Solving
0.7x = 7

Solving for variable 'x'.

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

Divide each side by '0.7'.
x = 10

Simplifying
x = 10

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