107k views
4 votes
21(2-y)+12y=44 find y​

User Rony Rozen
by
5.8k points

2 Answers

5 votes
Answer: y= -2/9
Step-by-step explanation:
21(2-y)+12y=44
42-21y+12y=44
42-9y=44
-9y=2
y=-2/9
User Fruitjs
by
6.6k points
4 votes

Answer:


\textbf{HELLO!!}


21\left(2-y\right)+12y=44


42-21y+12y=44


~add ~similar\:elements


42-9y=44


Subtract~42~from~both~sides


42-9y-42=44-42


-9y=2


Divide\:both\:sides\:by\:}-9


(-9y)/(-9)=(2)/(-9)


y=-(2)/(9)

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hope it helps...

have a great day!

User CrimsonChris
by
6.5k points