SOLUTION: Solve the following equation: 4ax + by = 11ab 8ax

SOLUTION: Solve the following equation: 4ax + by = 11ab 8ax - 5by = ab

Question 126294: Solve the following equation:
4ax + by = 11ab
8ax - 5by = ab
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
(1)4ax + by = 11ab
(2)8ax - 5by = ab
FRom(1),
4ax + by = 11ab
4ax+by-by=11ab-by
4ax=11ab-by
(3)x=
Substituting (3) to (2),

2(11ab-by)-5by=ab
22ab-2by-by=ab
22ab-3by=ab
-3by=ab-22ab
-3by=-21ab
3by=21ab
by=7ab
y=7a
Solving for x,
x=

Thus, the system is true if x=b and y=4a.

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