exam Maths Puzzle Numerical Ability

Please help me solve this equation:
5x+4y=12
I have tried the equation by doing this:
5x+4y=12
5x-5x+4y=12-5x
4y=12-5x
4y/4=12-5x/4
My answer came totaled to: y=3-5x

Read Solution (Total 0)

exam Other Question

4x squared minus 1 An Arithmatic student needs an average of 70 or more to receive credit for the course. She scored 82, 64, and 98 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the source.