0.15(80)+0.7x=0.3(80+x)

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Solution for 0.15(80)+0.7x=0.3(80+x) equation: 


Simplifying
0.15(80) + 0.7x = 0.3(80 + x)

Multiply 0.15 * 80
12 + 0.7x = 0.3(80 + x)
12 + 0.7x = (80 * 0.3 + x * 0.3)
12 + 0.7x = (24 + 0.3x)

Solving
12 + 0.7x = 24 + 0.3x

Solving for variable 'x'.

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

Add '-0.3x' to each side of the equation.
12 + 0.7x + -0.3x = 24 + 0.3x + -0.3x

Combine like terms: 0.7x + -0.3x = 0.4x
12 + 0.4x = 24 + 0.3x + -0.3x

Combine like terms: 0.3x + -0.3x = 0.0
12 + 0.4x = 24 + 0.0
12 + 0.4x = 24

Add '-12' to each side of the equation.
12 + -12 + 0.4x = 24 + -12

Combine like terms: 12 + -12 = 0
0 + 0.4x = 24 + -12
0.4x = 24 + -12

Combine like terms: 24 + -12 = 12
0.4x = 12

Divide each side by '0.4'.
x = 30

Simplifying
x = 30

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