exam Maths Puzzle Numerical Ability

I need help with this math homework problem It says solve the linear equation using the substitution method:

x=8-4y
3x+5y=3

Read Solution (Total 0)

exam Other Question

a three digit number when the sum of the three numbers is 11. if the number is reversed the new number is 46 more than five times the number. the hundreds digit plus twice the tens .5x + 2y = 9
4x - 15y = 2