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

User Hypee
by
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2 Answers

3 votes
-2(3z+1)-10=4
-2(3z+1)=14
-6z-2=14
-6z=16
16/-6 = -.375
User Morez
by
5.9k points
4 votes
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
User JChris
by
5.7k points
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