Answer:
second option, (u - 12 - 3b)/4
Step-by-step explanation:
isolate the "a" by bring each term to the other side, and finally div by 4
u = 12 + 4a + 3b
u - 12 = 4a + 3b
u - 12 - 3b = 4a
(u - 12 - 3b)/4 = a
Step-by-step explanation:
a=<u>bx + cx</u>
2
2*a=<u>x(b+c)</u>*2
2
<u>2a</u> = <u>x(b+c)</u>
(b+c) (b+c)
<u>2a</u> = x
(b+c)
Answer:
I don't think so man
Step-by-step explanation:
math .....................