Answer:
8/21
Step-by-step explanation:
First, we need to have like denominators.
3*7=21
2/3= 14/21
2/7= 6/21
14-6=8
Answer: 8/21
Answer: Infinite solutions
Step-by-step explanation: 3x -7 = 3(x-3)+2
3x + -7 = (3)(x) + (3)(-3) + 2
3x + -7 = 3x + -9 + 2
3x - 7 = (3x) + (-7)
3x -7 - 3x = 3x - 7 - 3x
-7 + 7 = -7 + 7
0 = 0
The expression is
(2+4)-9
Answer:-2
Step-by-step explanation: