Answer:
-5
Step-by-step explanation:
multiple the second equation by negative then subtract or add the equations and the answer will be negative 5
hi it could be 3x+2=180 , 3/4x+19=189, 3.4x+12=100
Answer:
X=-4
Step-by-step explanation:
5x-10x=22-2
-5x=20
x=-4
I kno that 2 negative together u add them so (-7)