Question

https://gca1234-school-ccl.gradpoint.com/Resource/4671457,7A1,0,0,0,0,4,0/Assets/testitemimages/algebra_2a/tools_of_algebra/mc021-1.jpg

Answer 1

for https://gca1234-school-ccl.gradpoint.com/Resource/4671457,7A1,0,0,0,0,4,0/Assets/testitemimages/algebra_2a/tools_of_algebra/mc021-2.jpg

Answer 2

and https://gca1234-school-ccl.gradpoint.com/Resource/4671457,7A1,0,0,0,0,4,0/Assets/testitemimages/algebra_2a/tools_of_algebra/mc021-3.jpg

Answer 3

@cwrw238

Answer 4

@triciaal @Isaiah.Feynman

Answer 5

group like terms
all the a together and simplify and all the b together and simplify

Answer 6

62

Answer 7

first one
(4a + 3 a ) + (7b -2b)

Answer 8

50

Answer 9

i think its 50

Answer 10

im still thinking

Answer 11

apparently this is all one problem

rephrased
Evaluate the expression 7 a + 5 b when a = 5 and b = -3

7*5 + 5 * -3
35 -15 = 20

Answer 12

thx

Answer 13

I think you understand how to group like terms but you need to pay more attention to your signs keep practicing and you'll be fine