2(x +3) = x - 4
Its a question for mathswatch

x = -7

Step 1: Distribute

2x + 3 = x - 4

Step 2: Get x alone

2x + 3 = x - 4

     - 3       - 3

     2x = x - 7

      -x   -x

       x = -7

whatever you can spend with $11.53 or under.

step-by-step explanation:

20 - 8.47 = 11.53. take away the money he used for lunch from the starting amount of 20.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.