Explain how you would simplify the expression 3x + 7y - 2x + 3y + 7?

Step-by-step explanation:

3x+7y-2x+3y+7

group like terms

3x-2x   +7y+3y   +7

x+10y+7

grouping of line terms

3x+2x_7y+3y+7

Step-by-step explanation:

5x_10y+7

5x=10y

x=2y+7=9

step-by-step explanation:

the functions have the same rate of change i think. i narrowed it down to this answer and "the rate of change of tour 1 is greater" but i got it wrong using that answer so im assuming its the answer above. (this is a question i also answered from the iready site if anyone needs a reference)