Select the correct answer.
hattie rewrote the equation as shown:
9n + 7 − 2n = 4(-n + 5) − 3n
9n + 7 − 2n = -4n + 20 − 3n
which property did she use to rewrite the equation?

a.
addition property of equality
b.
distributive property
c.
multiplication property of equality
d.
substitution property

#12 find the value of x. #13 find the value of the variable.

What expression is equivalent to 42x-56y

Determine the domain and range of the given function. the domain is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}. the range is all real numbers all real numbers greater than or equal to –2{x: x = –2, –1, 0, 1, 2}{y: y = –2, –1, 0, 1, 2}.