2(5-25)=10(1-5)

Solution for 2(5-25)=10(1-5) equation:

2(5-25)=10(1-5)

We simplify the equation to the form, which is simple to understand 
2(5-25)=10(1-5)

Simplifying terms in parentheses
2*(-20)=10*(1-5)

Simplifying terms in parentheses
2*(-20)=10*(-4)

Reorder the terms in parentheses
+(-40)=10*(-4)

Remove unnecessary parentheses
-40=+10+*(-4+)

Reorder the terms in parentheses
-40=+(-40)

Remove unnecessary parentheses
-40=-40

We move all terms containing  to the left and all other terms to the right. 
0=-40+40

We simplify left and right side of the equation. 
0=0

0=0

This equation is an identity, so all real numbers are solutions.