Question

Grant attempted to solve an equation but made an error. What is his error, and which step did he make it in?

Answer 1

Step-by-step explanation:The error is in step 2. −x and 3x combine to make 2x, not 4x. i just did this question so sorry i answered late

Answer 2

B. The error is in step 2,
`-x\text{ and }3x` combine to make
`2x` not
`4x`.

Explanation:

We have been an image that represents Grant's solution of an equation. We are asked to find Grant's error.

`-4+2x=5-(x-3)+3x`

Let us see our given equation by using distributive property
`a(b+c)=a\cdot b+a\cdot c`.

`-4+2x=5-x+3+3x`

Now we will gather like terms.

`-4+2x=5+3+3x-x`

`-4+2x=8+2x`

Upon looking at Grant's work, we can see that he combined
`3x-x` incorrectly. Instead of subtracting x, he added x to 3x, therefore, Grant made an error in step 2 and option B is the correct choice.