Question

Complete these on a piece of paper and
Take a picture, or on a document and
Explain each step.

Remember, the opposite of division
is multiplication and the opposite of
subtraction is addition.

3x + 4 = 19
9 - 4x = 13
8x ➗ 4 = 20

Answer 1

Step-by-step explanation:

3x+4=19

=3x=19-4

=3x=15

=x=15/3

=x=5

9-4x=13

=4x=13-9

=4x=4

=x=4/4

=x=1

8x÷4=20

=8x=20×4

=8x=80

=x=80/8

=x=10