What is the result of adding 2x+7y=4 and -2x-8y=-2
1 answer:
You might be interested in
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Point Form:
( 1 , − 2 )
Equation Form:
x = 1 , y = − 2
Step-by-step explanation:
Graph.
y = 3 x − 1
y = x + 1
y = − x − 1
y = x + 1
So,
Matt answered 20 out of 25 questions.
We need to get the denominator to be 100. We can do that by multiplying the fraction by a form of 1.
From here, it should be easy to see that Matt has answered 80% of his test.
Matt answered 20 out of 25 questions.
We need to get the denominator to be 100. We can do that by multiplying the fraction by a form of 1.
From here, it should be easy to see that Matt has answered 80% of his test.