Basic Math Examples

Solve for y 5y+6y-81=7y+102+65y
5y+6y-81=7y+102+65y5y+6y81=7y+102+65y
Step 1
Add 5y5y and 6y6y.
11y-81=7y+102+65y11y81=7y+102+65y
Step 2
Add 7y7y and 65y65y.
11y-81=72y+10211y81=72y+102
Step 3
Move all terms containing yy to the left side of the equation.
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Step 3.1
Subtract 72y72y from both sides of the equation.
11y-81-72y=10211y8172y=102
Step 3.2
Subtract 72y72y from 11y11y.
-61y-81=10261y81=102
-61y-81=10261y81=102
Step 4
Move all terms not containing yy to the right side of the equation.
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Step 4.1
Add 8181 to both sides of the equation.
-61y=102+8161y=102+81
Step 4.2
Add 102102 and 8181.
-61y=18361y=183
-61y=18361y=183
Step 5
Divide each term in -61y=18361y=183 by -6161 and simplify.
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Step 5.1
Divide each term in -61y=18361y=183 by -6161.
-61y-61=183-6161y61=18361
Step 5.2
Simplify the left side.
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Step 5.2.1
Cancel the common factor of -6161.
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Step 5.2.1.1
Cancel the common factor.
-61y-61=183-61
Step 5.2.1.2
Divide y by 1.
y=183-61
y=183-61
y=183-61
Step 5.3
Simplify the right side.
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Step 5.3.1
Divide 183 by -61.
y=-3
y=-3
y=-3
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