3 years ago

7. Solve the formula M=2P+3Q for the variable Q.

1 answer:

7 0

The answer is <span>Q=(M−2P)/3
</span>
<span>M = 2P + 3Q

Subtract 2P from both sides:
M - 2P = 2P + 3Q - 2P
M - 2P = 3Q

Divide both sides by 3:
(M - 2P)/3 = 3Q/3
(M - 2P)/3 = Q</span>

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$15x^2+14x-49=0\\\\
Terms:\\
a=15\ \ \ \ b=14\ \ \ \ c=-49\\
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x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\
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$Roots:\\\\
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\boxed{x'=\dfrac{7}{5}}\\\\\\\\
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Read 2 more answers

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