4 years ago

Solve 4/5x-9=3 I REALLY NEED THIS ASAP

Mathematics

2 answers:

Olin [163]4 years ago

7 0

I will assume that you meant (4/5)x - 9 = 3. In other words, (4/5) is the coefficient of x.

Start by adding 9 to both sides: (4/5)x - 9 + 9 = 3 + 9, or (4/5)x = 12.

To isolate x, mult. both sides by (5/4): (5/4)(4/5)x = (5/4)(12)

Simplifying this result, x = 15

horsena [70]4 years ago

5 0

15 is the answer

X = 12/0.8

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