Question

Answer this question fast on a paper photo pls fast

Answer 1

Answer:

SOLUTION

QUESTION :

linear equation find

3x+y-12 =0

SOLVE :

SUBTRACT 12 ON BOTH SIDES

3X+Y -12 -12 =0 -12

3X + Y = -12

DIVIDE 3 ON RIGHT SIDE.

X+Y = -12

3

X+ Y = -4

x=-4

Y = -4