meganmaria2003 meganmaria2003

25-10-2019
Mathematics

contestada

Which of the following equation has 3 as a solution

-2b=6

4a-5=12

5y=y+8

Z-15=-12

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taylarob taylarob

25-10-2019

Answer:

Z- 15= -12

Step-by-step explanation:

-2b=6 is incorrect becuase b= -3

4a-5=12 is incorrect because 4a=17.. 17/4=4.25.. A=4.25

5y=y+8 is incorrect because 4y=8.. y=2

Z - 15= -12 is correct because -12+ 15=3... Z=3

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