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3 years ago

Solve the equation 9 = y +4.

Mathematics

2 answers:

Crank3 years ago

8 0

Answer:

subtract 4 from each side of the equation

Step-by-step explanation:

9 = y + 4 (subtract 4 from both sides)

5 = y

almond37 [142]3 years ago

3 0

Answer:

answer is below

Step-by-step explanation:

9=y+4

Always remember to flip the equation

y+4=9

Step 2: Subtract 4 from both sides.

y+4−4=9−4

y=5

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Step-by-step explanation:

If you cover 20km in 8 hours

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4 years ago

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adoni [48]

Answer:

$\sqrt{15.76}$

Step-by-step explanation:

$\sqrt{9.6230 \frac{2.340}{5.310}3.721 }$

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

X + y = -1 X - y = 7

enyata [817]

1: Solve for either x or y in one of the equations. So x + y = -1 is y = -x -1
2: substitute the new equation in the opposite equation. So x - (-x - 1) = 7
3: distribute the negative. X + x + 1 = 7
4: combine like terms. 2x + 1 = 7
5: solve for x. Subtract 1 on both sides. 2x = 6
6: divide by 2 to get x by itself. X = 3
7: plug the new value of x into one of the ORIGINAL equations. 3 + y = -1
8: solve for y. Subtract 3 on both sides.
Y = -4
9: the solution is written as (x,y) so the solution would be (3, -4)

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4 years ago

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Alex

Answer:

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Step-by-step explanation:

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3 years ago

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