0.9x-2.1-0.9=0.2(5-x)

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Solution for 0.9x-2.1-0.9=0.2(5-x) equation:


Simplifying
0.9x + -2.1 + -0.9 = 0.2(5 + -1x)

Reorder the terms:
-2.1 + -0.9 + 0.9x = 0.2(5 + -1x)

Combine like terms: -2.1 + -0.9 = -3
-3 + 0.9x = 0.2(5 + -1x)
-3 + 0.9x = (5 * 0.2 + -1x * 0.2)
-3 + 0.9x = (1 + -0.2x)

Solving
-3 + 0.9x = 1 + -0.2x

Solving for variable 'x'.

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

Add '0.2x' to each side of the equation.
-3 + 0.9x + 0.2x = 1 + -0.2x + 0.2x

Combine like terms: 0.9x + 0.2x = 1.1x
-3 + 1.1x = 1 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
-3 + 1.1x = 1 + 0.0
-3 + 1.1x = 1

Add '3' to each side of the equation.
-3 + 3 + 1.1x = 1 + 3

Combine like terms: -3 + 3 = 0
0 + 1.1x = 1 + 3
1.1x = 1 + 3

Combine like terms: 1 + 3 = 4
1.1x = 4

Divide each side by '1.1'.
x = 3.636363636

Simplifying
x = 3.636363636

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