Basic Math Examples

Solve for y 3y-9=-9
3y-9=-93y9=9
Step 1
Move all terms not containing yy to the right side of the equation.
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Step 1.1
Add 99 to both sides of the equation.
3y=-9+93y=9+9
Step 1.2
Add -99 and 99.
3y=03y=0
3y=03y=0
Step 2
Divide each term in 3y=03y=0 by 33 and simplify.
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Step 2.1
Divide each term in 3y=03y=0 by 33.
3y3=033y3=03
Step 2.2
Simplify the left side.
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Step 2.2.1
Cancel the common factor of 33.
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Step 2.2.1.1
Cancel the common factor.
3y3=03
Step 2.2.1.2
Divide y by 1.
y=03
y=03
y=03
Step 2.3
Simplify the right side.
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Step 2.3.1
Divide 0 by 3.
y=0
y=0
y=0
 [x2  12  π  xdx ]