89.9k views
3 votes
Linear equation

4X-12+3x+9

User Hanna
by
5.9k points

2 Answers

7 votes

Answer:

X = 3/7

Explanation:

4X - 12 + 3X + 9 = 0 (separate them)

4X + 3X = 12 - 9 (add)

7X = 3 (divide 7 on both sides)

X = 3/7

User Msouth
by
5.9k points
5 votes

Steps to solve:

4x - 12 + 3x + 9

~Combine like terms

(4x + 3x) + (-12 + 9)

~Simplify

7x - 3

Best of Luck!

User Chris Hobbs
by
6.0k points