Question

math solve this sum​

Answer 1

Answer:

ACCORDING TO THE QUESTION

1)X=2 AND Y=3

i)2x-3y

=(2×2)-(3×3)

=4-9

= -5 Ans.

ii)x+y

=2+3

=5 Ans.

iii)4y-X

=(4×3)-2

=10 Ans.

iv)x+1-y

=2+1-3

=3-3

=0 Ans.

2)m=2 and n= -1

i)3m+2n

=(3×2)+(-1×2)

=6-2

=4 Ans.

ii)2m-n

=(2×2)-(-1)

=4+1

=5 Ans.

iii)mn-1

=2×(-1)-1

=-2-1

=-3 Ans.

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Answer 2

Answer:

1. ¡)=2(2)-3(3)

=4-9

=-5

¡¡)=2+3

=5

¡¡¡) =4(3)-2

= 12-2

= 10

iv) =2+1-3

= 3-3

= 0

2. ¡)=3(2)+2(-1)

= 6+(-2)

= 4

¡¡) =2(2)-(-1)

= 4+1

= 5

¡¡¡) = (2)(-1)-1

= -2-1

= -3