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earnstyle [38]
3 years ago
8

4(x-3)= -3x + 23 show your work ​

Mathematics
2 answers:
tekilochka [14]3 years ago
6 0

Answer:

x=5

Step-by-step explanation:

 4 • (x - 3) -  (23 - 3x)  = 0

  7x - 35  =   7 • (x - 5)

 7 • (x - 5)  = 0

7   =  0

x-5 = 0

x = 5

ZanzabumX [31]3 years ago
5 0

Answer:

x = 5

Step-by-step explanation:

Expand the brackets

4x - 12 = -3x + 23

Rearrange by collecting the like terms, so that the variables are on one side and the constants are on the other

4x + 3x = 23 + 12

7x = 35

Divide both sides by 7 to make variable on its own

x = 35/7

x = 5

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4 0
3 years ago
In the above figure, m∠P = 105° and m∠Q = 5x. If angles P and Q are supplementary angles, what is the value of x and the measure
Igoryamba

Answer:

B. x = 15, m∠Q = 75°

Step-by-step explanation:

Given:

m∠P = 105°

m∠Q = 5x

Angles P and Q are supplementary angles

To find value of x and m∠Q.

Solution:

m\angle P+m\angle Q =180\°     [Sum of supplementary angles =180°]

105+5x =180   [Substitution ∵ m∠P = 105° and m∠Q = 5x ]

Subtracting both sides by 105°.

105+5x-105 =180-105

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Dividing both sides by 5.

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4 0
3 years ago
Can someone help me?
frutty [35]
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