Calculus Examples
13-3x6=-16
Step 1
Step 1.1
Factor 3 out of 3x.
13-3(x)6=-16
Step 1.2
Cancel the common factors.
Step 1.2.1
Factor 3 out of 6.
13-3x3⋅2=-16
Step 1.2.2
Cancel the common factor.
13-3x3⋅2=-16
Step 1.2.3
Rewrite the expression.
13-x2=-16
13-x2=-16
13-x2=-16
Step 2
Step 2.1
Subtract 13 from both sides of the equation.
-x2=-16-13
Step 2.2
To write -13 as a fraction with a common denominator, multiply by 22.
-x2=-16-13⋅22
Step 2.3
Write each expression with a common denominator of 6, by multiplying each by an appropriate factor of 1.
Step 2.3.1
Multiply 13 by 22.
-x2=-16-23⋅2
Step 2.3.2
Multiply 3 by 2.
-x2=-16-26
-x2=-16-26
Step 2.4
Combine the numerators over the common denominator.
-x2=-1-26
Step 2.5
Subtract 2 from -1.
-x2=-36
Step 2.6
Cancel the common factor of -3 and 6.
Step 2.6.1
Factor 3 out of -3.
-x2=3(-1)6
Step 2.6.2
Cancel the common factors.
Step 2.6.2.1
Factor 3 out of 6.
-x2=3⋅-13⋅2
Step 2.6.2.2
Cancel the common factor.
-x2=3⋅-13⋅2
Step 2.6.2.3
Rewrite the expression.
-x2=-12
-x2=-12
-x2=-12
Step 2.7
Move the negative in front of the fraction.
-x2=-12
-x2=-12
Step 3
Since the expression on each side of the equation has the same denominator, the numerators must be equal.
-x=-1
Step 4
Step 4.1
Divide each term in -x=-1 by -1.
-x-1=-1-1
Step 4.2
Simplify the left side.
Step 4.2.1
Dividing two negative values results in a positive value.
x1=-1-1
Step 4.2.2
Divide x by 1.
x=-1-1
x=-1-1
Step 4.3
Simplify the right side.
Step 4.3.1
Divide -1 by -1.
x=1
x=1
x=1