3(1+a)+3a=7a+2

Solution for 3(1+a)+3a=7a+2 equation:

Simplifying
3(1 + a) + 3a = 7a + 2
(1 * 3 + a * 3) + 3a = 7a + 2
(3 + 3a) + 3a = 7a + 2

Combine like terms: 3a + 3a = 6a
3 + 6a = 7a + 2

Reorder the terms:
3 + 6a = 2 + 7a

Solving
3 + 6a = 2 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
3 + 6a + -7a = 2 + 7a + -7a

Combine like terms: 6a + -7a = -1a
3 + -1a = 2 + 7a + -7a

Combine like terms: 7a + -7a = 0
3 + -1a = 2 + 0
3 + -1a = 2

Add '-3' to each side of the equation.
3 + -3 + -1a = 2 + -3

Combine like terms: 3 + -3 = 0
0 + -1a = 2 + -3
-1a = 2 + -3

Combine like terms: 2 + -3 = -1
-1a = -1

Divide each side by '-1'.
a = 1

Simplifying
a = 1