X/a+y/b=2 ax-by=a2-b2 solve by substitution method
Answers
Answered by
1
Step-by-step explanation:
assume that by cross multiplication, you mean making the coefficients equal, so that a simple subtraction of the equations will eliminate a variable. Multiply the first equation by a and the second by b. Subtract them.
Answered by
0
Answer:
do by cross multiplication
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