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I need help with solving an equation and solution for this someone please

I need help with solving an equation and solution for this someone please-example-1
User Xoog
by
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1 Answer

4 votes

Answer:

x = -2

Explanation:

Picture attached, shows a weighing scale in the balanced form,

So weight of elements on the left = Weight of the elements on the right

Left side of the scale = weight of x + weight of 1

= x(2) + 1(6)

= 2x + 6

On the right side of the scale = Weight of (-x) + weight of (-1)

= (-x)(2) + (-1)(2)

= -2x - 2

Since, both the sides are balanced,

Therefore, equation which models the situation is,

(2x + 6) = -(2x + 2)

(2x + 6) + (2x + 2) = 0

4x + 8 = 0

4x = -8

x = -2

User Onilol
by
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