Question

Compelte the solution of the equation find the value of y when x equals 6
-x+7y=8

Answer 1

y = 2

substitute x = 6 into the equation and solve for y

- 6 + 7y = 8

add 6 to both sides

7y = 8 + 6 = 14

divide both sides by 7

y = $\frac{14}{7}$ = 2