Solve for y 3y+9=8y-7

Math
3y+9=8y-7
Move all terms containing y to the left side of the equation.
Tap for more steps…
Subtract 8y from both sides of the equation.
3y+9-8y=-7
Subtract 8y from 3y.
-5y+9=-7
-5y+9=-7
Move all terms not containing y to the right side of the equation.
Tap for more steps…
Subtract 9 from both sides of the equation.
-5y=-7-9
Subtract 9 from -7.
-5y=-16
-5y=-16
Divide each term by -5 and simplify.
Tap for more steps…
Divide each term in -5y=-16 by -5.
-5y-5=-16-5
Cancel the common factor of -5.
Tap for more steps…
Cancel the common factor.
-5y-5=-16-5
Divide y by 1.
y=-16-5
y=-16-5
Dividing two negative values results in a positive value.
y=165
y=165
The result can be shown in multiple forms.
Exact Form:
y=165
Decimal Form:
y=3.2
Mixed Number Form:
y=315
Solve for y 3y+9=8y-7

Solving MATH problems

We can solve all math problems. Get help on the web or with our math app

Scroll to top