3 years ago

What is the solution for the equation 8X – 12 = 4x? x= 48 x= 30 x=3 X=1

Mathematics

2 answers:

Hunter-Best [27]3 years ago

8 0

Answer:

C. x = 3

Step-by-step explanation:

8x - 12 = 4x

+12 + 12

8x = 4x + 12

-4x -4x

4x = 12

---- ---

4 4

x = 3

C. x = 3

slamgirl [31]3 years ago

7 0

8x-12= 4x

move -12 to the other side

sign changes from -12 to +12

8x-12+12= 4x+12

8x=4x+12

move 4x to the other side.

sign changes from +4x to -4x

8x-4x= 4x-4x+12

8x-4x= 12

4x=12

divide both sides by 4 to get x by itself

4x/4= 12/4

Answer: x= 3

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