SOLUTION: I need to find the ordered pair
8a+2b=-52
-8a+b=70
Algebra.Com
Question 760368: I need to find the ordered pair
8a+2b=-52
-8a+b=70
Found 2 solutions by rfer, MathLover1:
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
-8a+b=70
b=8a+70
---------------
8a+2b=-52
8a+2(8a+70)=-52
8a+16a+140=-52
24a=-52-140
24a=-192
a=-192/24
a=-8
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8*-8+2b=-52
-64+2b=-52
2b=-52+64
b=12/2
b=6
--------------
-8*-8+6=70
64+6=70
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
....eq.1
....eq.2
__________________________
....eq.2.solve for
.....substitute in eq. 1
....eq.1...solve for
now find
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