Question

Six students are working to simplify the expression shown. Drag each student's answer to a box to show whether it is fully simplified, equivalent to the given expression but not fully simplified, or not equivalent to the given expression. 15 + 12x -5x +4y -7

Answer 1

Answer: 7x + 4y + 8.

Explanation:

Given data:

15 + 12x -5x +4y -7

Solution:

15 + 12x -5x +4y -7

Subtract the numbers

= 8 + 12x – 5x + 4y

Collect like terms

= 8 + 7x + 4y

Rearrange the equation

= 7x + 4y + 8