161k views
1 vote
Solve
1/5x + 2/5x - 12 = -6.

The solution is x=

Please explain

User Chklang
by
6.6k points

2 Answers

4 votes

Answer: x = 10

Explanation:

1/5x + 2/5x - 12 = -6 Add 12 to both sides

+12 +12

1/5x + 2/5x = 6 Combine like terms on the left side

3/5x = 6 Divide both sides by 3/5

x = 10

User Randyka Yudhistira
by
6.6k points
6 votes

Answer:

X = 10

Explanation:

Multiply both sides of the equation by 5

x + 2x - 60 = -30

Collect like terms

3x - 60 = -30

Move constant to the right-hand side and change its sign

3x = -30 + 60

Calculate the sum

3x = 30

Divide both sides of the equation by 3

x = 10

Solution

x = 10

User Adam Grant
by
6.9k points