Question

Y=-5x + 30

Answer 1

Rewrite Equations
x=10; y=−5x+30

Step: Solve x=10
for x: x=10

Step: Substitute
10 for x in y=−5x+30:
y=−5x+30
y=(−5)(10)+30

y=−20
(Simplify both sides of the equation)
Answer: x=10 y=-20 (10,-20)