Question

If you have the equations 2x + 3y = 18 and y = 2x + 12 and use the substitution method to solve, what would be the value of x? ANSWER FAST!!!

Answer 1

x= -2.25

Explanation:

2x+3(2x+12)=18

2x+6x+36=18

8x+36=18

8x= -18

x= -9/4= -2.25