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Sunny_sXe [5.5K]
3 years ago
6

Equivalent expression: 3 + 4(2z - 1)

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0

Answer:

8z - 1

Step-by-step explanation:

Given

3 + 4(2z - 1) ← multiply each term in the parenthesis by 4

= 3 + 8z - 4 ← collect like terms

= 8z - 1

antoniya [11.8K]3 years ago
7 0

Answer:

-1 + 8z

Step-by-step explanation:

First use the distributive property of multiplication (Just multiply 4 with all numbers in the parenthesis):

3 + 4(2z - 1)

3 + 8z - 4

Group like terms:

3 + 8z - 4

-1 + 8z

The answer is -1 + 8z

Hope this helped.

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Hope it helped,



BioTeacher101

6 0
3 years ago
Read 2 more answers
Solve the following system of equations 2x+7y=-57 and -6x-8y=80
hram777 [196]
I would use the process of elimination.   Divide 13 from both sides
2x+7y=-57                                                     y=-7 then plug in y to an equation
-6x-8y=80                                                    2x+7(-7)=-57    multiple
multiple the first equation by 3                 2x-49=-57    add 49 to both sides
6x+21y=-171                                              2x=-8       divide two from both sides
-6x-8y=80                                                      x=-4
combine like terms                                     So your things would be x=-4 and y=-7
13y=-91                                        And itd make the solution (-4,-7).


7 0
3 years ago
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