x + y = 5 , 2x - 3y = 4 solve this equation with elimination ,substitution ,cross-multiplication method
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Answer:
Step-by-step explanation:
given
x+y = 5 eq1
2x-3y = 4 eq2
multiply by 3 in eq1
we get
3x+3y = 15 eq3
add eq3 and eq2 we get
3x+3y = 15
2x-3y = 4
on adding we get
5x = 19
x = 19/5
put the value of x in eq1
we get
y = 5-19/5
y= (25-19)/5
y = 6/5 answer
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10
hope that it will help you
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