How do you solve 3s+2(5s-1)=56.50?

1 Answer
Nov 8, 2016

s = 4.5

Explanation:

Step 1) Expand the terms in parenthesis.
Step 2) Combine like terms
Step 3) Solve for s while keeping the equation balanced

3s + 10s - 2 = 56.50

(3 + 10)s - 2 = 56.50

13s - 2 = 56.50

13s - 2 + 2 = 56.50 + 2

13s = 58.50

(13s)/13 = 58.50/13

s = 4.5