algebra ll
posted by hannah .
the first equation of the system is muti plied by 2. by what number would you mutiply the second equation to elimi nate the x variable by adding? first: 6x  5y equals 21 second: 4x plus 7y equals 15 and another one is the first equation of the system is muti plied by 4. by what number would you mutiply the second equation to elimi nate the y variable by adding? first: 2x plus 5y equals 16 second: 8x 4y equals 10

See my comments to kyle, who is probably someone you know
Show your work in algebraic form and help will be provided