105=5(1+5x)

Solution for 105=5(1+5x) equation:

Simplifying
105 = 5(1 + 5x)
105 = (1 * 5 + 5x * 5)
105 = (5 + 25x)

Solving
105 = 5 + 25x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-25x' to each side of the equation.
105 + -25x = 5 + 25x + -25x

Combine like terms: 25x + -25x = 0
105 + -25x = 5 + 0
105 + -25x = 5

Add '-105' to each side of the equation.
105 + -105 + -25x = 5 + -105

Combine like terms: 105 + -105 = 0
0 + -25x = 5 + -105
-25x = 5 + -105

Combine like terms: 5 + -105 = -100
-25x = -100

Divide each side by '-25'.
x = 4

Simplifying
x = 4