.3(9)+x=.5(9+x)

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Solution for .3(9)+x=.5(9+x) equation: 


Simplifying
0.3(9) + x = 0.5(9 + x)

Multiply 0.3 * 9
2.7 + x = 0.5(9 + x)
2.7 + x = (9 * 0.5 + x * 0.5)
2.7 + x = (4.5 + 0.5x)

Solving
2.7 + x = 4.5 + 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.
2.7 + x + -0.5x = 4.5 + 0.5x + -0.5x

Combine like terms: x + -0.5x = 0.5x
2.7 + 0.5x = 4.5 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
2.7 + 0.5x = 4.5 + 0.0
2.7 + 0.5x = 4.5

Add '-2.7' to each side of the equation.
2.7 + -2.7 + 0.5x = 4.5 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + 0.5x = 4.5 + -2.7
0.5x = 4.5 + -2.7

Combine like terms: 4.5 + -2.7 = 1.8
0.5x = 1.8

Divide each side by '0.5'.
x = 3.6

Simplifying
x = 3.6

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