3 years ago

3x + 8y = 85 7x -2y =33 (solve the following equations)

2 answers:

8 0

3x+8y=85
7x-2y=33

4(7x-2y=33)
28x-8y=132
+3x+8y=85

31x=217
__ ___
31 31

X= 7

7(7)-2y=33
49-2y=33
-2y=-16
______
-2

Y=8

(7,8)

Stella [2.4K]3 years ago

5 0

What is it that you are looking for ?
x or y ?

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