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What value of x makes this equation true? 12x - 15 = 6 - 3x *

User Inxoy
by
4.0k points

2 Answers

2 votes

Answer: x= 1.4

Step-by-step explanation: To find the value of x that makes the equation true, you have to first simplify it:

12x - 15 = 6 - 3x

15x = 21

x = 21/15

x = 7/5

x = 1 2/5

x = 1.4

User Clay Wardell
by
4.5k points
5 votes

Answer:

x = 1.4 (or 21/15)

Explanation:

12x - 15 = 6 - 3x

+3x +3x

-----------------------

15x - 15 = 6

+15 +15

-----------------------

15x = 21

/15 /15

----------------------

x = 21/15 or

x = 1.4

User Mavili
by
4.7k points