123k views
3 votes
Let's solve your equation step-by-step.

3−(
5x+4
5
)=
x
2
Step 1: Simplify both sides of the equation.
3−(
5x+4
5
)=
x
2
Simplify: (Hide steps)
3+−x+
−4
5
=
x
2
(Distribute)
3+−x+
−4
5
=
1
2
x
(−x)+(3+
−4
5
)=
1
2
x(Combine Like Terms)
−x+
11
5
=
1
2
x
−x+
11
5
=
1
2
x


how did they get the -4

User Lpt
by
7.3k points

1 Answer

6 votes
3 - (5x + 4/5) = x/2
3 - 5x - 4/5 = x/2
3 - 4/5 = x/2 + 5x
15/5 - 4/5 = x/2 + 5x
11/5 = x/2 + 5x.....multiply both sides by 10
22 = 5x + 50x
22 = 55x
22/55 = x
2/5 = x