Solve for x
x=25
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-3\times 5=x-40
Variable x cannot be equal to 40 since division by zero is not defined. Multiply both sides of the equation by 3\left(x-40\right), the least common multiple of 5+13+22-x,3.
-15=x-40
Multiply -3 and 5 to get -15.
x-40=-15
Swap sides so that all variable terms are on the left hand side.
x=-15+40
Add 40 to both sides.
x=25
Add -15 and 40 to get 25.
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