Final answer to the problem
$x=1$
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1
Apply the formula: $x\left(a+b\right)$$=xa+xb$, where $a=7$, $b=-x$, $x=5$ and $a+b=7-x$
$35-5x=31-x$
Learn how to solve equations linéaires à une variable problems step by step online.
$35-5x=31-x$
Learn how to solve equations linéaires à une variable problems step by step online. 5(7-x)=31-x. Apply the formula: x\left(a+b\right)=xa+xb, where a=7, b=-x, x=5 and a+b=7-x. Group the terms of the equation by moving the terms that have the variable x to the left side, and those that do not have it to the right side. Apply the formula: a+b=a+b, where a=31, b=-35 and a+b=31-35. Combining like terms -5x and x.
Final answer to the problem
$x=1$
