15-a=10
Subtract 15 from both sides of the equation.
-a=10-15
Subtract 15 from 10.
-a=-5
-a=-5
Multiply each term in -a=-5 by -1.
(-a)⋅-1=(-5)⋅-1
Multiply (-a)⋅-1.
Multiply -1 by -1.
1a=(-5)⋅-1
Multiply a by 1.
a=(-5)⋅-1
a=(-5)⋅-1
Multiply -5 by -1.
a=5
a=5
Solve for a 15-a=10
