<img src="https://tex.z-dn.net/?f=%5Csf%2020%3D9x-7" id="TexFormula1" title="\sf 20=9x-7" alt="\sf 20=9x-7" align="absmiddle" cl

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kiruha [24]

2 years ago

ass="latex-formula">

Mathematics

2 answers:

Temka [501]2 years ago

8 0

Answer:

x=3.

Add-on:

hope this helped at all.

STALIN [3.7K]2 years ago

6 0

$▪▪▪▪▪▪▪▪▪▪▪▪▪ {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪$

The value of x is ~

$\boxed{3}$

$\large \boxed{ \mathfrak{Step\:\: By\:\:Step\:\:Explanation}}$

$20 = 9x - 7$

$9x = 20 + 7$

$9x = 27$

$x = 27 \div 9$

$x = 3$

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2 years ago

Solve for x. x3 = 216

vampirchik [111]

I'm assuming the equation is x^3 = 216 or $x^3 = 216$ (both mean the same thing)

If so, then the solution to x^3 = 216 is x = 6

<span>We can find this by taking the cube root of both sides
</span>x^3 = 216
x = 216^(1/3) .... 1/3 power means cube root
x = 6

Checking the answer:
x^3 = 216
6^3 = 216
6*6*6 = 216
216 = 216
Answer is confirmed

So once again the answer is x = 6. This is assuming the initial assumption made at the top of the problem holds up.

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2 years ago

Read 2 more answers

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Ganezh [65]

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