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Evaluate 3x - 2 when x=7

identify the CONSTANT in the algebraic expression 3x + 7

Write an algebraic expression for the phrase: twelve more than b.

User Kunal Goel
by
7.7k points

1 Answer

5 votes

Answer:

See below

Explanation:

Part 1:

= 3x - 2

Given that x = 7

= 3(7) - 2

= 21 - 2


\boxed{= \ 19}

Part 2:

= 3x + 7

3 => Coefficient

x => variable


\boxed{7 => constant}

Part 3:

More than => +

So,

The expression is:

= 12 + b


\rule[225]{225}{2}

Hope this helped!

~AH1807

User Pavel Belousov
by
8.2k points

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