Answer:
3. The first equation can be multiplied by 3 and the second equation by 2.
Step-by-step explanation:
2 x + 3 y = 25 (1)
-3 x + 4 y = 22 (2)
Multiply equation (1) by 3 and (2) by 2.
3(2x) = 6x
2(-3x) = -6x
When you add the two equations, x will get cancelled last
Answer :
1
Step-by-step-explanation :
3x-7>2
add 7 to both sides: 3x>9
divide both sides by 3: x>9
Answer:
13 is the answer
Step-by-step explanation:
Let t become the time he spent commuting on the first day of his vacation.
It is then calculated as 
.
It traveled 
miles on its first day of operation.
The car traveled 
on the second day, which was 
.
So,
Total mileage= first day traveled + second day traveled 
Learn more:
Total distance traveled: brainly.ph/question/11690847
