4 years ago

What is four times a age decreased by 3 is equal to 3 times the age increased by 7. what is the age

1 answer:

6 0

Call the age a.

4a-3=3a+7

Add 3 to both sides and subtract 3a from both sides to get:

a=10

Therefore, 10 is the age.

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Gekata [30.6K]

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Setler79 [48]

Answer:

$\Huge \boxed{3a+4}$

Step-by-step explanation:

The function is given.

$f(x)=3x+1$

To find : $f(a+1)$

The input for the function f(x) is (a + 1).

Replace x with (a + 1).

$f(a+1)=3(a+1)+1$

Expand brackets.

$f(a+1)=3a+3+1$

Simplifying.

$f(a+1)=3a+4$

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stiv31 [10]

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4 years ago