3×-7= -21
3×-x=-3x
-21-3x. =9
_____
2
Answer:
D) 30
Step-by-step explanation:
1/2 in. = 3 ft.
5" = 10 x 1/2"
10 x 1/2" = 10 x 3'
5" = 30'
Answer:
1,944 cubic m
Step-by-step explanation:
Answer: x = 32
Step-by-step explanation:
-2x+14y=148*3x+5y=256
(-2x+14y)/148=3x+5y=256/148
(-x+y)37/7=3x+5y=64/37
37*7(x+y)/37=(3x+5y)*37=64/37*37
7(x+y)=111x+185y=64
7x-111x=-7y-185y+64
104x=191y+64
x=191y+64/104