Answer:
x = -1
y = -8
Step-by-step explanation:
if y=10x+2 then we can substitute that expression in for 'y' in the second equation to solve for 'x':
-5x + 4(10x+2) = -27
-5x + 40x + 8 = -27
35x + 8 = -27
35x = -35
x = -1
now solve for 'y':
y = 10(-1) + 2
y = -10 + 2
y = -8
