Solve the system of linear equations by elimination, the equations are 2x-6=4y and 7y= -3x+9. what is the solution

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52