If $3 - x = - 4$ then $x =$ _______

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Solution

Solve for the required value
Given that $3 - x = - 4$
Transpose $- x$ to RHS then it becomes $x$ and $- 4$ to LHS then it becomes $4$
$∴$ $3 + 4 = x$
$\Rightarrow$ $x = 7$
Hence the value of $x$ is $7$

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If 3-x=-4 then x=_______

Solve for the required valueGiven that 3-x=-4Transpose -x to RHS then it becomes x and -4 to LHS then it becomes 4∴3+4=x⇒ x=7Hence the value of x is 7

If $3 - x = - 4$ then $x =$ _______

Solve for the required value
Given that $3 - x = - 4$
Transpose $- x$ to RHS then it becomes $x$ and $- 4$ to LHS then it becomes $4$
$∴$ $3 + 4 = x$
$\Rightarrow$ $x = 7$
Hence the value of $x$ is $7$