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AveGali [126]
3 years ago
13

Solve for x: 5a + 7x = 3(2a + 1) +4x

Mathematics
1 answer:
Crazy boy [7]3 years ago
8 0

Answer:

\dfrac{a + 3}{3}

Step-by-step explanation:

\begin{array}{rcl}5a + 7x & = & 3(2a +1) + 4x\\5a + 7x & = & 6a +3 + 4x\\7x & = & a + 3 + 4x\\3x & = & a + 3\\x & = & \mathbf{\dfrac{a + 3}{3}}\\\end{array}

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