Solving equations with parentheses

Questions (3)

Q. five times the sum of 3 and some number is 70. What is the number?I did the problem and got 13...but the answer is 11. I
1. 3 answers
2. asked by catalina
3. 699 views
-3x + 6 = 4 (-2x - 5)
1. 1 answer
2. asked anonymously
3. 14 views
3x-5(3x-7)= 2(x+9) + 45You won't learn unless you try these yourself. Multiply out the term in parentheses, combine the x terms
1. 1 answer
2. asked by Anonymous
3. 455 views