0.5x+.2x-9=40

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Solution for 0.5x+.2x-9=40 equation:


Simplifying
0.5x + 0.2x + -9 = 40

Reorder the terms:
-9 + 0.5x + 0.2x = 40

Combine like terms: 0.5x + 0.2x = 0.7x
-9 + 0.7x = 40

Solving
-9 + 0.7x = 40

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 0.7x = 40 + 9

Combine like terms: -9 + 9 = 0
0 + 0.7x = 40 + 9
0.7x = 40 + 9

Combine like terms: 40 + 9 = 49
0.7x = 49

Divide each side by '0.7'.
x = 70

Simplifying
x = 70

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