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77julia77 [94]
3 years ago
15

Plzz help/giving brainlest plzzzzzz

Mathematics
1 answer:
Katena32 [7]3 years ago
3 0

Answer:

the first one is 86in

Step-by-step explanation:

im working on the 2nd one rn ill get the answrr to u as fast as i can

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What is the value of x in the equation, 70 = 12 + 9x – 2(x + 6)
lesantik [10]
<h3>Solution :-</h3>

➩ 70 = 12 + 9x - 2 ( x + 6 )

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➩ 70 = 7x

Here we can use 2 methods

Methods :-

  1. Trial and error method :- By adding,subtracting , multiplying or dividing the same variable or constant on LHS & RHS
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➩ x = 10

• Transposing

By transposing 7 from RHS. to LHS

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➩ x = 10

Hence , x = 10

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