Question

Which is the correct way to model the equation -X+8 = (X+(-8) using algebra tiles?

Answer 1

Answer:

$-x+8=7\cdot{x}-8$

Step-by-step explanation:

In order to have both sides equal to each we must have terms that cancel out:.

First scenario:

$x+8=7\cdot{x}+8$

Second scenario

$8\cdot{x}=7\cdot{x}-8$

Third scenario

$-x+8=7\cdot{x}-8$

Fourth scenario

$8\cdot{x}-1=7-8\cdot{x}$

The answer is the third scenario because it gives an answer of x=8 when solved, which satisfies the model

Answer 2

Answer:

1 negative x tile and 8 positive unit tile on the left. 7 positive x tiles and 8 negative units on the right side

Step-by-step explanation:

i think this is the answered because if you just look on the left side then you can tell you need a negative one and it is connected to an x.