Question

How many solutions does the following equation have?

-2z + 10 + 7z = 16z +7
Choose 1 answer:
No solutions
B
Exactly one solution
Infinitely many solutions

Answer 1

exactly one solution: 3/11 = z

Explanation:

-2z + 10 +7z = 16z + 7

combine like terms

5z + 10 = 16z + 7

-7 -7

5z + 3 = 16z

-5z -5z

3 = 11z

/11 /11

3/11 = z