mayapanics mayapanics

02-10-2017
Mathematics

contestada

-3(y+4)=21
solve for y
show all work please , thank u

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JustTasnim JustTasnim

02-10-2017

expand the brackets first
-3y-12=21
add 12
-3y=33
divide by -3
y= -11

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gavinbradfordhart gavinbradfordhart

02-10-2017

Distribute negative 3 to y and 4. After distributing you should have -3y+-12=21. 21 plus 12 equals 33. 33 divides by negative 3 equals negative 11.

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