-3(p+5)=4(p+1)-2(5-p)

Solution for -3(p+5)=4(p+1)-2(5-p) equation:

-3 (p+5)=4(p+1)-2(5-p)

We simplify the equation to the form, which is simple to understand 
-3(p+5)=4(p+1)-2(5-p)

Reorder the terms in parentheses
+(-3p-15)=4*(p+1)-2*(5-p)

Remove unnecessary parentheses
-3p-15=+4+*(+p+1+)-2+*(+5-p+)

Reorder the terms in parentheses
-3p-15=+(+4p+4)-2*(5-p)

Remove unnecessary parentheses
-3p-15=+4p+4-2+*(+5-p+)

Reorder the terms in parentheses
-3p-15=+4p+4+(-10+2p)

Remove unnecessary parentheses
-3p-15=+4p+4-10+2p

We move all terms containing p to the left and all other terms to the right. 
-3p-4p-2p=+4-10+15

We simplify left and right side of the equation. 
-9p=+9

We divide both sides of the equation by -9 to get p. 
p=-1