0.30(50)+0.80x=0.40(x+50)

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Solution for 0.30(50)+0.80x=0.40(x+50) equation: 


Simplifying
0.30(50) + 0.80x = 0.40(x + 50)

Multiply 0.30 * 50
15 + 0.80x = 0.40(x + 50)

Reorder the terms:
15 + 0.80x = 0.40(50 + x)
15 + 0.80x = (50 * 0.40 + x * 0.40)
15 + 0.80x = (20 + 0.40x)

Solving
15 + 0.80x = 20 + 0.40x

Solving for variable 'x'.

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

Add '-0.40x' to each side of the equation.
15 + 0.80x + -0.40x = 20 + 0.40x + -0.40x

Combine like terms: 0.80x + -0.40x = 0.4x
15 + 0.4x = 20 + 0.40x + -0.40x

Combine like terms: 0.40x + -0.40x = 0.00
15 + 0.4x = 20 + 0.00
15 + 0.4x = 20

Add '-15' to each side of the equation.
15 + -15 + 0.4x = 20 + -15

Combine like terms: 15 + -15 = 0
0 + 0.4x = 20 + -15
0.4x = 20 + -15

Combine like terms: 20 + -15 = 5
0.4x = 5

Divide each side by '0.4'.
x = 12.5

Simplifying
x = 12.5

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