Question

solve by method of balecing an equation and write steps used to seperate varriable. x + 7 = 10​. plz answer

Answer 1

Answer:

x + 7 = 10

x = 10 - 7

x =

$\\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \times \frac{?}{?}$

3

Answer 2

Answer: 3

x + 7 = 10

One number is unkown, x

Since the other numbers are known we can bring the number next to the unknown number (x) to the right side of 'equal to'

And when you bring a number to right side, it becomes negative, so

x = 10 - 7

x = 3  (10 - 7 = 3)

∴ x = 3

Steps involved

Transfering of the number next to x to the RHS

Changing the sign of the number when taken to the other side

Adding or subtracting to find value of x

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