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makkiz [27]
3 years ago
9

2(x-3)-12 = -4 How do I solve this equations

Mathematics
1 answer:
deff fn [24]3 years ago
3 0

Answer:

x= 7

Step-by-step explanation:

1st step: Multiply the factor (outside number) with the numbers and variable(s) in the box. This results in 2(x-3) = 2x-6

2nd Step: continue the rest of the equation since there are no more brackets left so 2x-6-12=-4

3rd Step: send -12 to the other side of the equation (side changes sign changes) so it will become 2x-6=-4+12    (You are actually supposed to make the variable alone on one side of the equation so that you would be able to calculate its value)

4th step: 2x-6=8 ---> send -6 to the other side as well which will then result in 2x=14

5th step: since 2 is being multiplied by x, when you send it to the other side (to make x alone) you will divide 14 by 2 ( sign of 2 changes from multiplication to division)

Final Step: x=7

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dexar [7]

Answer:

(i) Yes

(ii) Yes

Step-by-step explanation:

We are given that

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BD=DC

Reason:Given

AB=AC

Reason: Given

\triangleADB\cong\triangleADC

Reason:SSS postulate

Yes, triangle ADB is congruent to triangle ADC

(ii) Angle B=Angle C

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3 0
3 years ago
One end point of a line segment is ( -3, -6 ) The length of the line segment is 7 units find four points that could serve as the
Anika [276]

Answer:

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Step-by-step explanation:

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3 years ago
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That's the diagram..
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