Answer:
7
Step-by-step explanation:
-3y+4= -17
-3y= -21
y= 7
C. Negative because since the neutral atom stands at 0 and positive ions are 1+ and electrons are negative if it gains the electron ( negative ) it will become negative.
Answer:
C(2,5)
Step-by-step explanation:
2(2)+3(5)>12
4+15>12
19>12
x-y>1
2-5>1
3>1
Answer: x=3
Step-by-step explanation: Step 1: Simplify both sides of the equation.
21x−5=7+17x
21x+−5=7+17x
21x−5=17x+7
Step 2: Subtract 17x from both sides.
21x−5−17x=17x+7−17x
4x−5=7
Step 3: Add 5 to both sides.
4x−5+5=7+5
4x=12
Step 4: Divide both sides by 4.
= 
So Final Answer: <u>x=3</u>
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+6 ; 45,51
+ evens; 40,52
X -2; -64, 128
+ reducing squares 63+1/4, 63 +13/36