(21x+3)+(14x+3)=180

Solution for (21x+3)+(14x+3)=180 equation:

Simplifying
(21x + 3) + (14x + 3) = 180

Reorder the terms:
(3 + 21x) + (14x + 3) = 180

Remove parenthesis around (3 + 21x)
3 + 21x + (14x + 3) = 180

Reorder the terms:
3 + 21x + (3 + 14x) = 180

Remove parenthesis around (3 + 14x)
3 + 21x + 3 + 14x = 180

Reorder the terms:
3 + 3 + 21x + 14x = 180

Combine like terms: 3 + 3 = 6
6 + 21x + 14x = 180

Combine like terms: 21x + 14x = 35x
6 + 35x = 180

Solving
6 + 35x = 180

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 35x = 180 + -6

Combine like terms: 6 + -6 = 0
0 + 35x = 180 + -6
35x = 180 + -6

Combine like terms: 180 + -6 = 174
35x = 174

Divide each side by '35'.
x = 4.971428571

Simplifying
x = 4.971428571