Question

Solve for p. 20p + -5p – -17 = -13

Answer 1

$20p + -5p - -17 = -13$ 

$20p + -5p - -17 = -13:p$  $|Solve \ for \ p|$ 

$20p-5p+17=-13$ 

$15p+17=-13$ 

$15p=-13-17$  $|Subtract \ 17 \ from \ both \ sides|$ 

$15p=-30$ 

$15p/15=-30/15$  $|Divide \ both \ sides \ by \ 15|$ 

$p=-2$

Answer 2

Collect like terms.  15p= -30.   So p= -2.