Please help me with this work

y=−9/2x+10

step-by-step explanation:

let's solve for y.

0−9x−2y=−20

step 1: add 9x to both sides.

−9x−2y+9x=−20+9x

−2y=9x−20

step 2: divide both sides by -2.

−2y

−2

=

9x−20

−2

y=

−9

2

x+10

dont trust me im no expert these losers made me fail a test bro this sucks

step-by-step explanation:

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answer: d.) the total number of protons and neutrons is 15

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~

your friendly neighborhood human spider! .