Answer:
C. 3p – 7 = 13 – p
Explanation:
3p-7+p=13
We simplify the equation to the form, which is simple to understand
3p-7+p=13
We move all terms containing p to the left and all other terms to the right.
+3p+1p=+13+7
We simplify left and right side of the equation.
+4p=+20
We divide both sides of the equation by 4 to get p.
p=5