Question

X=—5y+30 and 3x+7y=42

Answer 1

x = 0 , y = 6

Explanation:

solve by substitution method

x = -5y+30 and 3x+7y=42

3(-5y + 30)+7y=42

-15y + 90 + 7y = 42

-8y = -48

y = 6

use x = -5y+30, and plug in y = 6

x = -5(6)+30

x = -30 + 30

x = 0