Question

If two numbers sum is 12 and subtraction is7 find the number

Answer 1

Answer:

3 and 4

Explanation:

-3×(-4)=12 , -3×(-4)=12

Answer 2

Explanation:

let the first number be x,

and second number be y,

first equation,

x+y = 12

second equation,

x-y = 7

$x+y = 12</p><p>\\x-y = 7 \\ - - - - - - - - - - - - \\ x = 19 \\ - - - - - - - - - - - - -$

put the value of x into the first equation,

$19+y = 12</p><p>\\y = 12 - 19 \\ y = - 7$

.*. x = 19 and y = -7

Hope it helps,,