Answer:
Step-by-step explanation:
subtracting 3 from both sides
3
x
−
9
=
0
3
x
−
9
+
9
=
0
+
9
Adding 9 to both sides
3
x
=
9
3
x
3=9
3
Dividing both sides by 3
should give you 3
Answer:
101/140
Step-by-step explanation:
<u>Solving in steps:</u>
- -6/15 * 4/7 - (-7)/20 * 4/7 + 3/4 =
- - 2/5 * 4/7 + 7/20 * 4/7 + 3/4 =
- - 8/35 + 7/35 + 3/4 =
- -1/35 + 3*35/4*35 =
- -4/140 + 105/140 =
- 101/140
Answer: 14/35, -32\40, -1
Step-by-step explanation: