3 years ago

Solve 12x - 14 = 16x

2 answers:

8 0

12x - 14 = 16x
12x - 14(+14) = 16x (+14)
12x = 16x + 14
12x (-16x) = 16x(-16x) + 14
-4x = 14
-4x/-4 = 14/-4
x = -3 1/2

Check:
12(-3.5) - 14 = 16(-3.5)
-42 - 14 = -56
-56 = -56

The answer is: -3 1/2 or -3.5

tiny-mole [99]3 years ago

6 0

12x-14=16x
-14=16x-12x
-14=-4x
14=4x
x=14/4
x=7/2
x=3.5

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