Answer:
1.) (2,1) is a solution
2.) (4,3) is NOT a solution
Step-by-step explanation:
1.) (2,1)
These are these mean (x,y)
2=x and 1=y
You want to substitute the numbers for the letters in the equation.
so.
2(2)+1=5
4+1=5
5=5, This statement is true so (2,1) is a solution.
2.) Same as above. 4=x and 3=y
4(4)-3(3)=10
16-9=10
7 Does Not Equal 10, Therefore, (4,3) is Not a solution to the equation.
Answer:
2+1=3
Step-by-step explanation:
you just switch the 1 and the 2 around
He used 7 pints all together because there at 2 cups in each pint and 4 pints in a half a gallon.
i donk know Step-by-step explanation:
