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Maths-

General

Easy

Question

Solve 92 = - 4(2r - 5)

hint Hint:

An equation in which highest power of any variable is always 1 is known as a Linear equation.
We will simplify the given equation and find the value of r.

The correct answer is: Value of r for the given equation is - 9

Step-by-step solution:-
92 = -4 (2r - 5)
∴ $fraction numerator 92 over denominator negative 4 end fraction$ = 2r - 5 ….................................................. (Dividing both sides by -4)
∴ - 23 = 2r - 5
∴ - 23 + 5 = 2r …....................................................... (Taking all constants together)
∴ - 18 = 2r
∴ $fraction numerator negative 18 over denominator 2 end fraction$ = r ........................................................... (Dividing both sides by 2)
∴ - 9 = r
Final Answer:-
∴ Value of r for the given equation is -9.

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