R=5(CA−0.3) solve for c

Question

Answer:

R = 5(CA - 0.3)

Multiply everything in the parenthesis by 5.

R = 5CA - 1.5

Add 1.5 to both sides

1.5 + R = 5CA

Divide 5A on both sides.

C = 1.5 + R / 5A

Hope this helps!