29=7-2a

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Solution for 29=7-2a equation:


Simplifying
29 = 7 + -2a

Solving
29 = 7 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
29 + 2a = 7 + -2a + 2a

Combine like terms: -2a + 2a = 0
29 + 2a = 7 + 0
29 + 2a = 7

Add '-29' to each side of the equation.
29 + -29 + 2a = 7 + -29

Combine like terms: 29 + -29 = 0
0 + 2a = 7 + -29
2a = 7 + -29

Combine like terms: 7 + -29 = -22
2a = -22

Divide each side by '2'.
a = -11

Simplifying
a = -11

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