Answer:
x = 1 , y = 7
Explanation:
given the system of equations
y = 9x - 2 → (1)
y = 7x → (2)
substitute y = 9x - 2 into (2)
9x - 2 = 7x ( subtract 7x from both sides )
2x - 2 = 0 ( add 2 to both sides )
2x = 2 ( divide both sides by 2 )
x = 1
substitute x = 1 into either of the 2 equations and solve for y
substituting into (2)
y = 7x = 7 × 1 = 7
sollution is x = 1 , y = 7