0.4q-0.4=0.8+0.2q

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Solution for 0.4q-0.4=0.8+0.2q equation:


Simplifying
0.4q + -0.4 = 0.8 + 0.2q

Reorder the terms:
-0.4 + 0.4q = 0.8 + 0.2q

Solving
-0.4 + 0.4q = 0.8 + 0.2q

Solving for variable 'q'.

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

Add '-0.2q' to each side of the equation.
-0.4 + 0.4q + -0.2q = 0.8 + 0.2q + -0.2q

Combine like terms: 0.4q + -0.2q = 0.2q
-0.4 + 0.2q = 0.8 + 0.2q + -0.2q

Combine like terms: 0.2q + -0.2q = 0.0
-0.4 + 0.2q = 0.8 + 0.0
-0.4 + 0.2q = 0.8

Add '0.4' to each side of the equation.
-0.4 + 0.4 + 0.2q = 0.8 + 0.4

Combine like terms: -0.4 + 0.4 = 0.0
0.0 + 0.2q = 0.8 + 0.4
0.2q = 0.8 + 0.4

Combine like terms: 0.8 + 0.4 = 1.2
0.2q = 1.2

Divide each side by '0.2'.
q = 6

Simplifying
q = 6

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