Which is a solution to 2x squared -7 x= 3 ? a: x = 3 b: x = 2 c: x = -1/2 d: x = -3

answer: c

step-by-step explanation: because you don't have to draw a point of intersection. couldyou give me brainliest?

u

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18