Answer:
2a+5b
Step-by-step explanation:
7a-5a =2a
-2b+7b = 5b
It should just be left alone most likely zero
Answer:
x = 2
y = 1
Step-by-step explanation:
-2x-3y=-7, y=6x-11
-2x - 3(6x - 11) = -7
-2x - 18x + 33 = -7
-2x - 18x = -40
-20x = -40
<u><em>x = 2</em></u>
y = 6(2) - 11
y = 12 - 11
<u><em>y = 1</em></u>
Answer: -4
Step-by-step explanation:
Answer:
Step-by-step explanation:
s is the length of each side of the cube
volume = s³
343 = s³
s = ∛343 = 7 mm