Simplify 9a - 4b + a + 6

10a-4b+6

Step-by-step explanation:

To simplify, we need to combine like terms.

That means terms with the same variable, or just numerical values without a variable can be added together.

9a-4b+a+6

We can combine 9a and a together.

10a-4b+6

None of the terms can still be combined, so that is in simplest form.

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

answer: chelsea has 55 brushes

step-by-step explanation:

5 x 11 = 55

5 + 55 = 60