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Basic Math Examples
5y+6y-81=7y+102+65y5y+6y−81=7y+102+65y
Step 1
Add 5y5y and 6y6y.
11y-81=7y+102+65y11y−81=7y+102+65y
Step 2
Add 7y7y and 65y65y.
11y-81=72y+10211y−81=72y+102
Step 3
Step 3.1
Subtract 72y72y from both sides of the equation.
11y-81-72y=10211y−81−72y=102
Step 3.2
Subtract 72y72y from 11y11y.
-61y-81=102−61y−81=102
-61y-81=102−61y−81=102
Step 4
Step 4.1
Add 8181 to both sides of the equation.
-61y=102+81−61y=102+81
Step 4.2
Add 102102 and 8181.
-61y=183−61y=183
-61y=183−61y=183
Step 5
Step 5.1
Divide each term in -61y=183−61y=183 by -61−61.
-61y-61=183-61−61y−61=183−61
Step 5.2
Simplify the left side.
Step 5.2.1
Cancel the common factor of -61−61.
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.
Step 5.3.1
Divide 183 by -61.
y=-3
y=-3
y=-3