Denise L. answered 01/16/19
Engaging Tutor with over 20+ Years of Helping Students Succeed
Hi Magic! Whenever you have these, you need to set up 2 math sentences and sub the value of one variable into the other to solve...
Here, they tell you that X = Y - 5
But they also tell you that 6X - 3Y = 3
Now you can sub and solve!