3(5+5*6)+x=45

Solution for 3(5+5*6)+x=45 equation:

Simplifying
3(5 + 5 * 6) + x = 45

Multiply 5 * 6
3(5 + 30) + x = 45

Combine like terms: 5 + 30 = 35
3(35) + x = 45

Multiply 3 * 35
105 + x = 45

Solving
105 + x = 45

Solving for variable 'x'.

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

Add '-105' to each side of the equation.
105 + -105 + x = 45 + -105

Combine like terms: 105 + -105 = 0
0 + x = 45 + -105
x = 45 + -105

Combine like terms: 45 + -105 = -60
x = -60

Simplifying
x = -60