0.7x-0.2(80+x)=0.3(80)

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Solution for 0.7x-0.2(80+x)=0.3(80) equation: 


Simplifying
0.7x + -0.2(80 + x) = 0.3(80)
0.7x + (80 * -0.2 + x * -0.2) = 0.3(80)
0.7x + (-16 + -0.2x) = 0.3(80)

Reorder the terms:
-16 + 0.7x + -0.2x = 0.3(80)

Combine like terms: 0.7x + -0.2x = 0.5x
-16 + 0.5x = 0.3(80)

Multiply 0.3 * 80
-16 + 0.5x = 24

Solving
-16 + 0.5x = 24

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 0.5x = 24 + 16

Combine like terms: -16 + 16 = 0
0 + 0.5x = 24 + 16
0.5x = 24 + 16

Combine like terms: 24 + 16 = 40
0.5x = 40

Divide each side by '0.5'.
x = 80

Simplifying
x = 80

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