Edwin W.

asked • 10/05/20

Algebra 1 elimination

Can you check is this correct?


Step 1. 5x + y = 9

               10x - 7y = -18

Step 2. 7 (5x + y = 9)

                    10x - 7y = -18

Step 3. 35x + 7y = 63

                10x - 7y = -18

Step 4. 25x = 45

Step 5. x = 25

Step 6. X = 1.8



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