Solve using substitution

-3x-4y=-2

y=2x-5

What whole number is equivalent to eight over two

Ralph goes out to lunch and receives a bill listing a subtotal of $14.65 and tax of $1.47. Ralph leaves a 20% tip on the total amount. Is the tips greater or lesser than the amount charged?

Find the value of 9x - 7 given that - 2x - 7 = 3. Simplify your answer as much as possible. 9x - 7 = ?

In th xy plane, what is the y intercept of the graph of the equation y=2 (x+3) (x-4)

Write 2 mixed numbers between 3 and 4 that have a product between 9 and 12

Write an algebraic expression of a flat rate of $25.00 and $.50 per mile

Jack's school is 30 miles to the east from his home. the city hospital is 30 miles to the north from his school how far is jack's home from the city hospital? round your answer to the nearest tenth.

A newspaper wants to estimate the proportion of Americans who will vote for Candidate A. A random sample of 1000 voters is selected. Of the 1000 respondents, 526 say that they will vote for Candidate A.

fred Walters used to make a semimonthly salary of $2500. the company he works for is under new management, which pays its employees biweekly. what is his annual salary and what will his new biweekly salary be?

Y=6x+11 2y-4x=14 I don't know the answer