5(2x-7)
= (5)(2x+-7)
= (5)(2x)+(5)(-7)
= 10x - 35
(7x-10) - (-6x-8)
distribute the negative to the (-6x-8)
(7x-10) + 6x+8
disregard the parenthesis because addition is associative
7x-10 + 6x+8
combine like terms
13x-2
13x-2 is the answer
Answer:
First one is c because 3 1/2 - 1/2=3
Second one is also c because 0.9x2=1.8
And third one c is because 2 2/3:3/1=1 1/8
Yes Clare should switch because $96 + 12% is $107.52 but if she get the other one, it would be $105 in one year because $8.75 x 12 is $105
(1,-1)
(-4,2)
(-2,1)
I believe these will work
