Question

Y = -3x + 6
7x + 8y = 14

Answer 1

y = -3x + 6

7x + 8y = 14

Plug in y

7x + 8(-3x + 6) = 14

Solve

7x + -24x + 48 = 14

-17x + 58 = 14

-17x = -44

x = 17/44

Plug in x

y = -3(17/44) + 6

Solve

y = -51/44 + 6

y = -51/44 +264/44

y = 213/44

Hope this helps! ;)