Solve the equation a+3=(2a+7)/r after that take r=9

asked May 7, 2020 162k views

3 votes

Solve the equation
a+3=(2a+7)/r
after that take r=9

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6 votes

Let r = 9 and solve for a.

a + 3 = (2a + 7)/r

a + 3 = (2a + 7)/9

9(a + 3) = 2a + 7

9a + 27 = 2a + 7

9a - 2a = 7 - 27

7a = -20

a = -20/7

I believe this is what you seek.

Tiktak answered May 12, 2020

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