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3 years ago

-4(2z+6)-12=4. HAAAAAAAAALP. please include explanation.

Mathematics

2 answers:

DiKsa [7]3 years ago

4 0

Answer:

Z = -5

Step-by-step explanation:

1) multiply bracket

-4 x 2z = - 8z

-4 x 6 = - 24

2) put back into equation

-8z - 24 - 12 =4

3) collect like terms

-8z - 36 =4

4) get z alone

-8z - 36=4

+36 +36

-8z = 40

5) find z

-8z =40

divide both sides by - 8

Z= - 5

Phoenix [80]3 years ago

3 0

Answer:

Step-by-step explanation:

-4(2z+6)-12 = 4

=> -8z - 24 - 12 = 4

=> -8z = 4 + 12 + 24

=> -8z = 40

$= > z = \frac{40}{ - 8}$

=> z = - 5 (Ans)

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