0.9(5x-15)=2.2-(x+3)

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Solution for 0.9(5x-15)=2.2-(x+3) equation:


Simplifying
0.9(5x + -15) = 2.2 + -1(x + 3)

Reorder the terms:
0.9(-15 + 5x) = 2.2 + -1(x + 3)
(-15 * 0.9 + 5x * 0.9) = 2.2 + -1(x + 3)
(-13.5 + 4.5x) = 2.2 + -1(x + 3)

Reorder the terms:
-13.5 + 4.5x = 2.2 + -1(3 + x)
-13.5 + 4.5x = 2.2 + (3 * -1 + x * -1)
-13.5 + 4.5x = 2.2 + (-3 + -1x)

Combine like terms: 2.2 + -3 = -0.8
-13.5 + 4.5x = -0.8 + -1x

Solving
-13.5 + 4.5x = -0.8 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-13.5 + 4.5x + x = -0.8 + -1x + x

Combine like terms: 4.5x + x = 5.5x
-13.5 + 5.5x = -0.8 + -1x + x

Combine like terms: -1x + x = 0
-13.5 + 5.5x = -0.8 + 0
-13.5 + 5.5x = -0.8

Add '13.5' to each side of the equation.
-13.5 + 13.5 + 5.5x = -0.8 + 13.5

Combine like terms: -13.5 + 13.5 = 0.0
0.0 + 5.5x = -0.8 + 13.5
5.5x = -0.8 + 13.5

Combine like terms: -0.8 + 13.5 = 12.7
5.5x = 12.7

Divide each side by '5.5'.
x = 2.309090909

Simplifying
x = 2.309090909

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