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.

Question

asked Feb 15, 2022 198k views

1 Answer

Pavel Belousov · Answer 1 · 2022-02-19T15:13:21+0000

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!