Given: q=7m+3n, r=11-2m, s=n+5,and t =-m-3n+8 simplify q-[r+s]-t

Simplify

The answer is:

Step-by-step explanation:

We have the expressions:

Now, we need simplify:

We need to replace each term by the expressions:

We need to remember the rule of signs:

With this in mind we solve the parentheses:

let's group common terms

We must add and subtract common terms:

The answer is:

i don't have the answer rn but go to math papa. it shows the steps and the answer. hope this : )

step-by-step explanation:

his chances of getting a coin of higher value is 4/19

step-by-step explanation: