0.2x-1=2.7x-21

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Solution for 0.2x-1=2.7x-21 equation:


Simplifying
0.2x + -1 = 2.7x + -21

Reorder the terms:
-1 + 0.2x = 2.7x + -21

Reorder the terms:
-1 + 0.2x = -21 + 2.7x

Solving
-1 + 0.2x = -21 + 2.7x

Solving for variable 'x'.

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

Add '-2.7x' to each side of the equation.
-1 + 0.2x + -2.7x = -21 + 2.7x + -2.7x

Combine like terms: 0.2x + -2.7x = -2.5x
-1 + -2.5x = -21 + 2.7x + -2.7x

Combine like terms: 2.7x + -2.7x = 0.0
-1 + -2.5x = -21 + 0.0
-1 + -2.5x = -21

Add '1' to each side of the equation.
-1 + 1 + -2.5x = -21 + 1

Combine like terms: -1 + 1 = 0
0 + -2.5x = -21 + 1
-2.5x = -21 + 1

Combine like terms: -21 + 1 = -20
-2.5x = -20

Divide each side by '-2.5'.
x = 8

Simplifying
x = 8

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