Answer:
x = 7
Step-by-step explanation:
4x+5x=63
Combine like terms
9x = 63
Divide by 9
9x/9 =63/9
x = 7
Answer:
0
Step-by-step explanation:
Slope is -7--7/1--4
=0/5
=0
Answer:
undefined
Step-by-step explanation:
If you graph x=-1, you will get a line with x-intercept -1 and no y-intercept. If you do not have either of these things, your line does not have a constant slope.
Answer:
x = −2
Step-by-step explanation:
the steps are super long but this is the answer
Answer: no solution
Step-by-step explanation: the answer will be negative