Question

When attempting to do his homework, Mark incorrectly uses the addition property of equality below. Which statement would correct Mark’s error?

1) 8 + x = 2
2) 8 – 8 + x = 2
3) x = 2
A.
To balance the equation, Mark should also subtract 2 from the right side of the equation in step 2.
B.
To balance the equation, Mark should also subtract 2 from both sides of the equation in step 2.
C.
To balance the equation, Mark should also subtract 8 from the right side of the equation in step 2.
D.
To balance the equation, Mark should also add 8 to both sides of the equation in step 2.

Answer 1

ok so Mark doesn't have to do anything to the 2 on the left side
so take out answer choices
A and B

Answer 2

so now we're left with C and D

Answer 3

to get the 8 to the other side, he has to do the opposite to both sides which is to subtract

Answer 4

\(\huge\color{purple}{WELCOME~TO~OS~:)}\)
@moomoo222 :)

Answer 5

@moomoo222

Answer 6

remember in equations
whatever we do to the right, we gotta do on the left to balance the equation

Answer 7

since you subtracted 8 on one side, you have to do it to the other
so which answer choice would that be?
@moomoo222

Answer 8

C?

Answer 9

yup

Answer 10

Thank you all so much!!!

Answer 11

yw