The first step in solving the equation 2a - 4( a - 5 ) = 10 is to distribute 4 to both terms inside the parentheses.
The first step in solving the equation 2a - 4( a - 5 ) = 10 is to distribute 4 to both terms inside the parentheses.
This gives us 2a - 4a + 20 = 10.
Next, we can simplify the equation by combining like terms. 2a - 4a simplifies to -2a.
So the equation becomes -2a + 20 = 10.
To isolate the variable a, we need to get rid of the constant 20 on the left side.
We can do this by subtracting 20 from both sides of the equation.