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how to solve: four plus 3 times a number is 18

Sagot :

Mariamikaylaidn
[tex]4+ 3\cdot x=18 \\\\ 3\cdot x=18-4 \\\\ 3\cdot x =14 \\\\ \boxed{x=\frac{14}{3}\approx 4.6}[/tex]
Jeremiaidn

[tex] \frac{3x}{3} [/tex][tex] \frac{3x}{3} [/tex][tex] \frac{3x}{3} [/tex]This is the Mathematical translation of that verbal expression:


four plus three times a number is eighteen

 4       +                    3x              =    18


Right now, what we are finding is x or the unknown number. To find x, subtract 4 to both sides, then divide both sides by 3.


4 + 3x = 18

4 + 3x - 4 = 18 - 4

3x = 14

3x/3 = 14 / 3

x = 14/3

Answer:

                        x = 14/3