X+4+3x =
4x+4 (you sum the like terms )
Answer:
9x+6
Step-by-step explanation:
(3x+2)+2(3x+2)
3x+2+6x+4
9x+6
Answer:
7 blue marbles
Step-by-step explanation:
because 3:7 equals red:blue so blue = 7
Answer:
(The solution is (4, -11).
Step-by-stp explanation:
Let f(x) = g(x) = y:
y = 3x − 23
y = -4.5x + 7 Subtract the second equation from the first to eliminate y:
0 = 7.5x - 30
7.5x = 30
x = 4
Plug this into the first equation:
y = 3(4) - 23
y = -11.
I’m pretty sure the answer is D. 1/3
