Question

Solve the system by substitution

7x-6y=16 (1)
y=-5

Show step by step

Answer 1

7x - 6y = 16

y = (-5)

using substitution method

7x - 6(-5) = 16

7x +30 = 16

7x = 16 - 30

7x = 14

x = 14/7

x= 2