M + 4 = -12
Subtract 4 from both sides
Final Answer: M = -16
Answer:
{x,y,z} = {-22/13,29/13,6/13}
Answer:

Step-by-step explanation:
We want to subtract

from

We set up the subtracttion problem to get:

We expand the parenthesis to get:

Group similar terms:

We simplify to get:

Now you see when you use a model it is harder kepause........
16 tens = 16 x 10 = 160 ones