Which of the following points is a solution to the system of equations? x+2y=11 3x-4y=-7

a. (3,7)
b. (3,4)
c. (-7,4)
d. (-1,6)

The answer is B cos 3 + 2x4 = 11
And 9-16 = -7 :)

i will use elimination, multiply 1st equation by 3 and subtract the equations to eliminate x, then solve for y, then solve for x:

3x + 6y = 33
3x - 4y = -7

10y = 40
y = 4
substitute back into one of the equations:
3x + 6(4) = 33
3x = 9
x = 3

b. (3,4)

the answer is b
3+2(4)
3+8=11
3(3)-4(4)
9-16=-7

x=3 and y=4