Okay, let's work this out.
<span><span><span>3x</span>+70</span>−<span>7x</span></span><span>=<span><span><span><span>3x</span>+70</span>+</span>−<span>7x
</span></span></span>Combine Like Terms:<span>=<span><span><span>3x</span>+70</span>+<span>−<span>7x</span></span></span></span><span>=<span><span>(<span><span>3x</span>+<span>−<span>7x</span></span></span>)</span>+<span>(70)</span></span></span><span>
=<span><span>−<span>4x</span></span>+<span>70
Answer -4x+70
I really don't understand what you mean by this, perhaps you wrote the question wrong, but it would be great than 18.
</span></span></span>
41.8 because u just move one over
The last one because it take more time
PEMDAS = Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction.
So multiplication first, 56*2= 112
Division second, 5/5=1
Subtraction last, so 112 - 1 = 111
111 is the answer.