.65(60)+.8x=.7(60+x)

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Solution for .65(60)+.8x=.7(60+x) equation:


Simplifying
0.65(60) + 0.8x = 0.7(60 + x)

Multiply 0.65 * 60
39 + 0.8x = 0.7(60 + x)
39 + 0.8x = (60 * 0.7 + x * 0.7)
39 + 0.8x = (42 + 0.7x)

Solving
39 + 0.8x = 42 + 0.7x

Solving for variable 'x'.

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

Add '-0.7x' to each side of the equation.
39 + 0.8x + -0.7x = 42 + 0.7x + -0.7x

Combine like terms: 0.8x + -0.7x = 0.1x
39 + 0.1x = 42 + 0.7x + -0.7x

Combine like terms: 0.7x + -0.7x = 0.0
39 + 0.1x = 42 + 0.0
39 + 0.1x = 42

Add '-39' to each side of the equation.
39 + -39 + 0.1x = 42 + -39

Combine like terms: 39 + -39 = 0
0 + 0.1x = 42 + -39
0.1x = 42 + -39

Combine like terms: 42 + -39 = 3
0.1x = 3

Divide each side by '0.1'.
x = 30

Simplifying
x = 30

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