X + 13 = -4
x = -4 - 13
x = - 17
I am thinking it is the first one..solution is -17
the answer is 3
but a way to work these problems out is to use PEMDAS
p-parentheses
e-exponent
m-multiplication
d-division
a-addition
s-subtraction
they have to be donr in that order or the answer will come out different
Lilly should re-estimate the original numbers to be smaller.
for example if she rounded to 10 and 20, she should go back and check and re-round to maybe 8 and 10
111 would be the y-intercept. This is because 111 is on the y-axis.
