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krazyapril4601
12.08.2020 •
Mathematics
Solve the following equation
3x + 5 = 17
Geometry pre
Solved
Show answers
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Ответ:
x = 4
Step-by-step explanation:
First, we need to get the 3x by itself on the left. To do this, we subtract 5 from both sides. 3x + 5 - 5 = 17 - 5; 3x = 12. Now, to find x, we divide both sides by 3 to get 3x/3=12/3; x = 4
Ответ:
Step-by-step explanation:
Move constant to R.H.S and change it's sign
⇒![\mathsf{3x = 17 - 5}](/tpl/images/0720/7491/50970.png)
Subtract 5 from 17
⇒![\mathsf{3x = 12}](/tpl/images/0720/7491/88436.png)
Divide both sides of the equation by 3
⇒![\mathsf{ \frac{3x}{3} = \frac{12}{3} }](/tpl/images/0720/7491/b89ad.png)
Calculate
⇒![\mathsf{x = 4}](/tpl/images/0720/7491/b945c.png)
Hope I helped!
Best regards!
Ответ: