2x+7=x+3
2x+7=3
-×
x+7=3
-7 -7
x=-4
Answer:
Steve got 32 points
Step-by-step explanation:
Take the total score and multiply by the percentage received
40 * 80%
Change to decimal form
40 * .80
32
Steve got 32 points
Answer:
For the first equation the answer for "X" will be,

if you want me to solve for y instead then the answer will be,

for the second equation the answer for "X" will be,

If you want me to solve for y instead then the answer will be,

4 squared+ 12 squared= c squared
16+144=160
Square root 160
so your answer would be 12.6