Answer: 1.
we distribute then move placeholders to get
2x+4=4x-6+1
9=x
one solution
2. distribute
4x+12=3x+17
x=5
one solution
3. distribute and combine like terms
5x+4=5x-10+7
4=-3
false
no solution
4. distribute
2+10x=10x-5
2=-5
false
no solution
5. distribute
-18+15x=12x-18+3x
x=x
true
infinite solutions
Answer:
The answer are

Step-by-step explanation:
By using the laws of parallelism
Then

Answer:
it's D
Step-by-step explanation:
i just put it into desmos and looked for points, none of the answers appeared, therefore it's D
Answer:
The answer is 21.3
Step-by-step explanation: