Y=8
your teacher is introducing algebra
The like terms in 10a+4b+3a-15b consist of a and b. First, we have to combine like terms.
(10a+3a) + (4b-15b)
solve a and b
13a - 11b. Thus, the like terms in your original expression are 13a and -11b :)
Are there different choices for the answer? You did not list any equations to choose from
For every hour they studied their grade will go up by 9.6 points
