Answer:
x=1
Step-by-step explanation:
2x+6x-x=7
7x=7
x=1
...............
Answer:
3d + 4w
Step-by-step explanation:
Since there are multiple of each variable, we can add like terms.
There are 3 d's, so adding these together gets you 3d
There are 4 w's, so this is equal to 4w.
Now, add these together to get the equivalent expression:
3d + 4w is the expression
The equivalent to that is 8.