simplify : 1 - ( x -2) - [( x - 3 )- ( x - 1 ) ] = 0
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Answered by
2
Answer:
Given equation: 3/3x + 1/(x + 4) = 10/7x.
⇒ 1/x + 1/(x + 4) = 10/7x.
Now, rearranging the equation, we get:
⇒ {(x + 4) + x} / x(x + 4) = 10/7x
⇒ 2x + 4 / x(x + 4) = 10/7x
⇒ 2x + 4 / x + 4 = 10/7 (Cancelling x on both sides)
Cross multiplying the numerators and denominators of both the sides:
⇒ 7(2x + 4) = 10(x + 4)
⇒ 14x + 28 = 10x + 40
⇒ 4x = 12
⇒ x = 3
Answered by
1
Answer:
-5
Step-by-step explanation:
1-(x-2)-[(x-3)-(x-1)] = 0
= 1 -(x -2) - ( x - 3 - x + 1) = 0
= 1 - x + 2 + 3 - 1 = 0
= 3 + 2 - x = 0
= 5 - x = 0
= x = -5
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