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Luden [163]
3 years ago
5

Solve each system of equations (show steps) y=2x x+y=12

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0
Im learning this too right now hope this helps

1.you get y by itself and put what y equals where y is in the other equation
y=2x. x+y=12

x+2x=12
3x=12. (divided 3 on both sides)
x=4

2.after you find x(or y) put it in one of the problems above and solve for whats missing which in this case is y

y=2(4) 4+y=12
y=8. -4. -4
y=8
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3 years ago
3 (a) Simplify e+ es
ANEK [815]

Answer:

I don't understand your question but here's some sample of simplify

Step-by-step explanation:

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7 0
2 years ago
<img src="https://tex.z-dn.net/?f=%5Cbf%203x%2B9%3D-18" id="TexFormula1" title="\bf 3x+9=-18" alt="\bf 3x+9=-18" align="absmiddl
Studentka2010 [4]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

value of x is ~

  • \boxed{ - 9}

Here's the solution teeny ~

  • 3x + 9 =  - 18

  • 3x =  - 18 - 9
  • 3x =  - 27

  • x =  - 27 \div 3

  • x =  - 9

Hope it helps ~

6 0
3 years ago
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Answer:

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