5.5(2-x)-3(4-2x)=20

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Solution for 5.5(2-x)-3(4-2x)=20 equation: 


Simplifying
5.5(2 + -1x) + -3(4 + -2x) = 20
(2 * 5.5 + -1x * 5.5) + -3(4 + -2x) = 20
(11 + -5.5x) + -3(4 + -2x) = 20
11 + -5.5x + (4 * -3 + -2x * -3) = 20
11 + -5.5x + (-12 + 6x) = 20

Reorder the terms:
11 + -12 + -5.5x + 6x = 20

Combine like terms: 11 + -12 = -1
-1 + -5.5x + 6x = 20

Combine like terms: -5.5x + 6x = 0.5x
-1 + 0.5x = 20

Solving
-1 + 0.5x = 20

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 0.5x = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 0.5x = 20 + 1
0.5x = 20 + 1

Combine like terms: 20 + 1 = 21
0.5x = 21

Divide each side by '0.5'.
x = 42

Simplifying
x = 42

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