0.3x-13=1.1x-21

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Solution for 0.3x-13=1.1x-21 equation:


Simplifying
0.3x + -13 = 1.1x + -21

Reorder the terms:
-13 + 0.3x = 1.1x + -21

Reorder the terms:
-13 + 0.3x = -21 + 1.1x

Solving
-13 + 0.3x = -21 + 1.1x

Solving for variable 'x'.

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

Add '-1.1x' to each side of the equation.
-13 + 0.3x + -1.1x = -21 + 1.1x + -1.1x

Combine like terms: 0.3x + -1.1x = -0.8x
-13 + -0.8x = -21 + 1.1x + -1.1x

Combine like terms: 1.1x + -1.1x = 0.0
-13 + -0.8x = -21 + 0.0
-13 + -0.8x = -21

Add '13' to each side of the equation.
-13 + 13 + -0.8x = -21 + 13

Combine like terms: -13 + 13 = 0
0 + -0.8x = -21 + 13
-0.8x = -21 + 13

Combine like terms: -21 + 13 = -8
-0.8x = -8

Divide each side by '-0.8'.
x = 10

Simplifying
x = 10

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