Answer: In general, a solution of a system in two variables is an ordered pair that makes BOTH equations true. In other words, it is where the two graphs intersect, what they have in common. So if an ordered pair is a solution to one equation, but not the other, then it is NOT a solution to the system
Answer:
Step-by-step explanation:
1- Remove any grouping symbol such as brackets and parentheses by multiplying factors.
2- the exponent rule to remove grouping if the terms are containing exponents.
3- Combine the like terms by addition or subtraction.
4- Combine the constants.
To find the number of miles driven on one gallon, divide 420 by 20. that would be 21. multiply 21 by 65 to find the number of miles you can drive with 65 gallons.