x+21+x+23+x+61=30

Solution for x+21+x+23+x+61=30 equation:

Simplifying
x + 21 + x + 23 + x + 61 = 30

Reorder the terms:
21 + 23 + 61 + x + x + x = 30

Combine like terms: 21 + 23 = 44
44 + 61 + x + x + x = 30

Combine like terms: 44 + 61 = 105
105 + x + x + x = 30

Combine like terms: x + x = 2x
105 + 2x + x = 30

Combine like terms: 2x + x = 3x
105 + 3x = 30

Solving
105 + 3x = 30

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 + 3x = 30 + -105

Combine like terms: 105 + -105 = 0
0 + 3x = 30 + -105
3x = 30 + -105

Combine like terms: 30 + -105 = -75
3x = -75

Divide each side by '3'.
x = -25

Simplifying
x = -25