0.9x-2.1+0.9=0.3(5-x)

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Solution for 0.9x-2.1+0.9=0.3(5-x) equation:


Simplifying
0.9x + -2.1 + 0.9 = 0.3(5 + -1x)

Reorder the terms:
-2.1 + 0.9 + 0.9x = 0.3(5 + -1x)

Combine like terms: -2.1 + 0.9 = -1.2
-1.2 + 0.9x = 0.3(5 + -1x)
-1.2 + 0.9x = (5 * 0.3 + -1x * 0.3)
-1.2 + 0.9x = (1.5 + -0.3x)

Solving
-1.2 + 0.9x = 1.5 + -0.3x

Solving for variable 'x'.

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

Add '0.3x' to each side of the equation.
-1.2 + 0.9x + 0.3x = 1.5 + -0.3x + 0.3x

Combine like terms: 0.9x + 0.3x = 1.2x
-1.2 + 1.2x = 1.5 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
-1.2 + 1.2x = 1.5 + 0.0
-1.2 + 1.2x = 1.5

Add '1.2' to each side of the equation.
-1.2 + 1.2 + 1.2x = 1.5 + 1.2

Combine like terms: -1.2 + 1.2 = 0.0
0.0 + 1.2x = 1.5 + 1.2
1.2x = 1.5 + 1.2

Combine like terms: 1.5 + 1.2 = 2.7
1.2x = 2.7

Divide each side by '1.2'.
x = 2.25

Simplifying
x = 2.25

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