makaylaspeaks5068 makaylaspeaks5068

06-10-2017
Mathematics

contestada

Match the following items.

Am I right

1. 2x + x + 4 = -17
2
combine like terms
2. 3x + 4 = -17
3
subtraction
3. 3x = -21
4
division
4. x = -7
1
Given

Respuesta :

potatoABC potatoABC

07-10-2017

yup correct :D
thrs a shorter method though

Imagine +4 flying over the = sign, and just change the sign (from + to -)
It is a lot shorter, as long as you can visualise. If for example -10 is flying over, it becomes +10

Ver imagen potatoABC

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