3a+6a+7=29-(4)

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Solution for 3a+6a+7=29-(4) equation:


Simplifying
3a + 6a + 7 = 29 + -1(4)

Reorder the terms:
7 + 3a + 6a = 29 + -1(4)

Combine like terms: 3a + 6a = 9a
7 + 9a = 29 + -1(4)

Multiply -1 * 4
7 + 9a = 29 + -4

Combine like terms: 29 + -4 = 25
7 + 9a = 25

Solving
7 + 9a = 25

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -7 + 9a = 25 + -7

Combine like terms: 7 + -7 = 0
0 + 9a = 25 + -7
9a = 25 + -7

Combine like terms: 25 + -7 = 18
9a = 18

Divide each side by '9'.
a = 2

Simplifying
a = 2

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