Question

Algebra 1. Elimination using addition and subtraction. Show step by step. Thanks!
5x-y=-6
-x+y=2

Answer 1

Step one: you can cancel out the y's from the equations
Step two:subtract 5x-x to get 4x
Step 3: combine -6 and 2 to get -4
Step four : you should get 4x=-4
Step 5: divide 4 on both sides
Step 6: answer is x=-1