First one.
y = -2x + 3
5x - (-2x + 3) = 11
5x + 2x - 3 = 11
//
7x = 14
x = 2
y = - 2(2) + 3 = - 4 + 3 = - 1.
One x, one solution.
Answer:
qwertyuiop
Step-by-step explanation:
Tony = 31 Billie = 17
17 x 2 = 34
34 - 3 = 31
17(billie's age) + 14(years that Tony is older) = 31
8(x−9)
Factor 8x−72
8x−72
=8(x−9)
(happy to help)