Expand the brackets and simplify
a. 5(x+4) + 2(x+3)

b. 3(y+6) + 4(y-5)

Step-by-step explanation:

a. 5(x+4) + 2(x+3)  = 5*x + 5*4 + 2*x + 2*3

                             = 5x + 20 + 2x + 6  

                            = 5x + 2x + 20 +6  {bring like terms together}

                            = 7x + 26

b. 3(y+6) + 4(y-5) = 3*y + 3*6 + 4*y - 4*5

                           = 3y + 18 + 4y - 20  

                           = 3y + 4y + 18 - 20   {bring like terms together}

                          = 7y - 2

27

step-by-step explanation:

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