Question

Find the value of y when 10x - 18y = 84; x = 6

Answer 1

10x - 18y = 84 6=x substitute 6 for x so its 6 * 10

60 - 18y = 84 subtract 60 from both sides

-18y = 24 divide by -18

y = -1 1/3

check!

60 + 24 = 84

84 = 84