Question

what is the solution of 5x + 7x = 56- 2x​

Answer 1

Answer:

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Answer 2

$\boxed{\large{\bold{Answer\:=\: 4 }}}$

Given that -

• 5x + 7x = 56 - 2x

Solution -

5x + 7x = 56 - 2x

Now by solving LHS we have --

12x = 56 - 2x

Now bringing -2x to LHS we have

12x + 2x = 56

14x = 56

Now taking 14 to RHS we have

$X\:=\: \dfrac{56}{14}$

Therefore we have -

$\boxed{\large{\textbf{ X = 4 }}}$

$\large{\mathbf{\bigstar \: Note \: \bigstar }}$

• LHS = Left Hand Side
• RHS = Right Hand Side

So when Moving From RHS To LHS or LHS to RHS

-- Sign of the terms get reversed

$\textbf{ie - ' + ' becomes ' - '}$

' ÷ ' becomes ' × '