Question

7(x-4)+13=6 and simplefy the answer​

Answer 1

Question -:

Solve -: 7 (x - 4) + 13 = 6.

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$7 \: (x - 4) + 13 = 6$

$7x - 28 + 13 = 6$

$7x - 28 = 6 - 13$

$7x - 28 = - 7$

$7x = - 7 + 28$

$7x = 21$

$x = \frac{21}{7}$

$x = 3$

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Additional information -:

How to remove the brackets?

You can remove the brackets by multiplying the number outside the brackets with the numbers inside the brackets.

Why did the signs change?

When you shift the digits from LHS to RHS or RHS to LHS of an equation, the signs change. For example, (+) becomes (-) and (×) becomes (÷)

Hope it helps!