Question

7 is added to 3 times a number to give a result of 20

a) 3x+20=7
b)7+20=3x
c)3(x+7)=20
d)3x+7=20
e)7x+3=20

Answer 1

Answer: 3d + 7 = 20

Explanation:

Our task is to write this equation in math symbols.

The equation is → 7 is added to 3 times a number to give a result of 20

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Let d be our number; then:

3 times the number = 3d

We add 7 to it: 3d + 7

The result is 20: 3d + 7 = 20

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