1. Solve.

9x = 3x – 36

(Points : 1)
–6
–4
4
6

Question 2.2. Solve.
1/2(21-3a)=6-a

(Points : 1)
all real numbers
no solution
–1
0

Question 3.3. Solve.

4(a + 3) = 12 + 4a
(Points : 1)
–3
–1
no solution
all real numbers

Question

1. Solve.

9x = 3x – 36

(Points : 1)
       –6
       –4
       4
       6


Question 2.2. Solve.
1/2(21-3a)=6-a
 

(Points : 1)
       all real numbers
       no solution
       –1
       0


Question 3.3. Solve.

4(a + 3) = 12 + 4a
(Points : 1)
       –3
       –1
       no solution
       all real numbers

a1234 · Answer

Can you give your answers? I'll check them.

anonymous · Answer

9x = 3x – 36
9x-3x = -36
6x = -36
x = -6

anonymous · Answer

I'll show you how to work them.

annie96 · Answer

1.c 2.b 3.b

anonymous · Answer

1/2(21-3a)=6-a
21-3a = 2(6-a)
21-3a = 12 -2a
21-12 = -2a+3a
9 = a

anonymous · Answer

4(a + 3) = 12 + 4a
4a+12 = 12 + 4a

all real numbers

annie96 · Answer

the answer to number 2 is c

anonymous · Answer

I'm not sure you're right Annie96