X + x + 2 + 2 + 2 2(x + 3)
2x + 2
4 + x + 2 + x
Question:
a. Which of the given expressions is NOT equivalent to the expression 2x It 6? Why? If you were to correct it, what should it
be?
b. Write an expression equivalent to 4x + 12 using the distributive property.
c. Write an expression equivalent to 4x + 12 by combining like terms.

x = -3

y = -18

step-by-step explanation:

to solve by substitution, substitute one variable and solve for the other. then substitute again to find the remaining variable.

x-1/3(3x-9) = -3 since y=3x-9 substittute y.

x-1/3(3x-9)=-3

x + x +3 = -3

2x+3=-3

2x+3-3= -3-3

2x=-6

x=-3

substitute again into y=3x-9

y=3(-3)-9

y=-9-9

y=-18

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}

hello, there is a new name in town and that's the human spider!

answer: d.) the total number of protons and neutrons is 15

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