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lilavasa [31]
3 years ago
8

What is the value of x?

Mathematics
1 answer:
NISA [10]3 years ago
7 0
Since vertical angles are congruent, (4x+7)=5(x-4). So simplifying we get 4x+7=5x-20. If we add 20 on both sides we get 4x+27=5x. Now when we subtract x from both sides, we get x=27

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3 years ago
Find the missing term and the missing coefficient 6a −( )5a =( ) a2 − 35a
andrew11 [14]
Solving for the missing term and the missing coefficient (6a − )5a = ( ) a^2 − 35a
 Let the missing term be X
 Let the missing coefficient be Y
 Therefore, (6a – X)5a = Y(a^2) – 35a
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  Equating co-efficients,
30a^2 = Y.a^2; X.5a = 35a
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Y = 30; X = 7
   Therefore, (6a-7)5a = 30 a^2 – 35a <span>
</span>
3 0
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1/6 (15a + 20b) = <br> distributive properties
valentina_108 [34]

Answer:

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\mathrm{Apply\:the\:fraction\:rule}:\quad \:a\cdot \frac{b}{c}=\frac{a\cdot \:b}{c}

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Read 2 more answers
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