Josefina Zarazua 8 th Grade Mathematics Solve: 4x+13=21 a) X=2 X=2 b) X=4 X=4 c) X=3 X=3 d) None of these None of these.

Josefina Zarazua 8 th Grade Mathematics

Solve: 4x+13=21 a) X=2 X=2 b) X=4 X=4 c) X=3 X=3 d) None of these None of these

Is 2 a solution for 2y+3y=12-y ?  YesYes  NoNo

a) X=3.66 X=3.66 b) X=2.2 X=2.2 c) X=1 X=1 d) X=2.34 X=2.34

A) X= 1/8X= 1/8 B) X= 2/9X= 2/9 C) X= 14/9X= 14/9 D) X= 7/8X= 7/8 3/4X+1/2=2/3 1/2X=4

A) Yes Yes B) No No C) Cannot be determined Cannot be determined ?≠? ?=?

-3y+20=2 -20 -20 -3y =-18 3 3 y=-6 A)CorrectCorrect B)IncorrectIncorrect

 62 weeks 62 weeks  75 weeks 75 weeks  79 weeks 79 weeks  60 weeks 60 weeks

 20 20  12 12  18 18  16 16

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