Question

If X = 5 and Y = 3, what does Z equal?
2X + 2Z = 10Y

Answer 1

2(5) + 2 (z) = 10{3}
10 + 2z= 30
2z=20
z=10

Answer 2

2(5)+2Z=10(3)
so.. 10+2z=30
2z=30-10
2z=20
z= 10 :)