Question

Find the value of y in the formula y = 5a – 3b + c, if a = 12, b = 4, and c = 8. A. 64 B. 56 C. 40 D. 80

Answer 1

Y = 5a – 3b + c

plug in given values
y = 5 (12) -3 (4) +8
y = 60 - 12 + 8 = 56

y = 56

Answer 2

y = 5(12) - 3(4) + 8 
y = 60 - 12 + 8 
y= 56