Use the identity: and solve for . You get:
Do the substitution on the left side to get:
Answer:
A, B, D
Step-by-step explanation:
the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine
Answer:
2 1/2 I think
Step-by-step explanation:
you find the L.C.M for all the fractions and multiply it. You should end up with whole numbers.
It should look like this
2n+3n=2
n= <u>2n+3n</u><u> </u> = <u>5</u>
2 2
n= 2 1/2