staceydailey13 staceydailey13

28-08-2019
Mathematics

contestada

How do I solve this algebra question
-2(3z+1)-10=4 ?

Respuesta :

joshlind3 joshlind3

28-08-2019

First way (no distribution)

-2(3z + 1) -10 = 4
-2(3z + 1) = 14
3z + 1 = -7
3z = -8
z = -8/3

Second way (with distribution)

-2(3z) - 2(1) - 10 = 4

-6z - 2 - 10 = 4

-6z = 16

z = 16/-6 = -8/3

z = 26/-6

Answer Link

chejosebanelle chejosebanelle

28-08-2019

-2(3z+1)-10=4
-2(3z+1)=14
-6z-2=14
-6z=16
16/-6 = -.375

Answer Link

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