Question

No.
Equation
Is the equation a linear equation in 2
variables ?
Yes
1) 4m + 3n = 12

2) 3x2 - 7y = 13

3) V2 x - 15 y = 16

4) 0x + 6y - 3 = 0

5) 0.3x + Oy -36 = 0

6)4/x + 5/y = 4

7)4xy –5Y+8=0​

Answer 1

Answer:

• (1) 4m+3n=12______1

m=12-3n

put the value in eq. 1

4(12-3n)+3n=12

48-12n+3n=12

48-9n=12

-9n=12-48

-9n=-36

n=36/9

n=4

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