Question

Simplify these expressions. Then, evaluate them for the given value of the variable.

3x+7x-28+31 for x=2043

Answer 1

1. 10x+3

2. 20433

Explanation:

For part 1:

3x+7x-28+31

=3x+7x+3

=10x+3

For part 2:

10x+3

=(10(2043))+3

=20433