4a+(3a+3)=10

Solution for 4a+(3a+3)=10 equation:

Simplifying
4a + (3a + 3) = 10

Reorder the terms:
4a + (3 + 3a) = 10

Remove parenthesis around (3 + 3a)
4a + 3 + 3a = 10

Reorder the terms:
3 + 4a + 3a = 10

Combine like terms: 4a + 3a = 7a
3 + 7a = 10

Solving
3 + 7a = 10

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + 7a = 10 + -3

Combine like terms: 3 + -3 = 0
0 + 7a = 10 + -3
7a = 10 + -3

Combine like terms: 10 + -3 = 7
7a = 7

Divide each side by '7'.
a = 1

Simplifying
a = 1