SOLUTION: solve by subsitution method can you assit me please 0.05x-0.01y= -0.1 0.28x+0.13y=10.6

Algebra ->  Linear-equations -> SOLUTION: solve by subsitution method can you assit me please 0.05x-0.01y= -0.1 0.28x+0.13y=10.6      Log On


   

Question 437350: solve by subsitution method can you assit me please
0.05x-0.01y= -0.1
0.28x+0.13y=10.6
Answer by Alan3354(69443) About Me  (Show Source):
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solve by subsitution method can you assit me please
0.05x-0.01y= -0.1 x13 --> 0.65x - 0.13y = -1.3 --> 0.13y = 0.65x + 1.3
0.28x+0.13y=10.6
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Sub for 0.13y in the 2nd eqn
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0.28x + 0.65x + 1.3 = 10.6
0.93x = 9.3
x = 10
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0.05*10 - 0.01y = -0.1
-0.01y = -0.6
y = 60