0.5x-0.3(50+x)=0.3(40)

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Solution for 0.5x-0.3(50+x)=0.3(40) equation: 


Simplifying
0.5x + -0.3(50 + x) = 0.3(40)
0.5x + (50 * -0.3 + x * -0.3) = 0.3(40)
0.5x + (-15 + -0.3x) = 0.3(40)

Reorder the terms:
-15 + 0.5x + -0.3x = 0.3(40)

Combine like terms: 0.5x + -0.3x = 0.2x
-15 + 0.2x = 0.3(40)

Multiply 0.3 * 40
-15 + 0.2x = 12

Solving
-15 + 0.2x = 12

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 0.2x = 12 + 15

Combine like terms: -15 + 15 = 0
0 + 0.2x = 12 + 15
0.2x = 12 + 15

Combine like terms: 12 + 15 = 27
0.2x = 27

Divide each side by '0.2'.
x = 135

Simplifying
x = 135

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