0.4(3+6q)=0.3(q+7)

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Solution for 0.4(3+6q)=0.3(q+7) equation:


Simplifying
0.4(3 + 6q) = 0.3(q + 7)
(3 * 0.4 + 6q * 0.4) = 0.3(q + 7)
(1.2 + 2.4q) = 0.3(q + 7)

Reorder the terms:
1.2 + 2.4q = 0.3(7 + q)
1.2 + 2.4q = (7 * 0.3 + q * 0.3)
1.2 + 2.4q = (2.1 + 0.3q)

Solving
1.2 + 2.4q = 2.1 + 0.3q

Solving for variable 'q'.

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

Add '-0.3q' to each side of the equation.
1.2 + 2.4q + -0.3q = 2.1 + 0.3q + -0.3q

Combine like terms: 2.4q + -0.3q = 2.1q
1.2 + 2.1q = 2.1 + 0.3q + -0.3q

Combine like terms: 0.3q + -0.3q = 0.0
1.2 + 2.1q = 2.1 + 0.0
1.2 + 2.1q = 2.1

Add '-1.2' to each side of the equation.
1.2 + -1.2 + 2.1q = 2.1 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + 2.1q = 2.1 + -1.2
2.1q = 2.1 + -1.2

Combine like terms: 2.1 + -1.2 = 0.9
2.1q = 0.9

Divide each side by '2.1'.
q = 0.4285714286

Simplifying
q = 0.4285714286

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