0.1(40)+0.7x=0.5(40+x)

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Solution for 0.1(40)+0.7x=0.5(40+x) equation:


Simplifying
0.1(40) + 0.7x = 0.5(40 + x)

Multiply 0.1 * 40
4 + 0.7x = 0.5(40 + x)
4 + 0.7x = (40 * 0.5 + x * 0.5)
4 + 0.7x = (20 + 0.5x)

Solving
4 + 0.7x = 20 + 0.5x

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
4 + 0.7x + -0.5x = 20 + 0.5x + -0.5x

Combine like terms: 0.7x + -0.5x = 0.2x
4 + 0.2x = 20 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
4 + 0.2x = 20 + 0.0
4 + 0.2x = 20

Add '-4' to each side of the equation.
4 + -4 + 0.2x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 0.2x = 20 + -4
0.2x = 20 + -4

Combine like terms: 20 + -4 = 16
0.2x = 16

Divide each side by '0.2'.
x = 80

Simplifying
x = 80

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