3a+7=2(a-9)+36

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Solution for 3a+7=2(a-9)+36 equation:


Simplifying
3a + 7 = 2(a + -9) + 36

Reorder the terms:
7 + 3a = 2(a + -9) + 36

Reorder the terms:
7 + 3a = 2(-9 + a) + 36
7 + 3a = (-9 * 2 + a * 2) + 36
7 + 3a = (-18 + 2a) + 36

Reorder the terms:
7 + 3a = -18 + 36 + 2a

Combine like terms: -18 + 36 = 18
7 + 3a = 18 + 2a

Solving
7 + 3a = 18 + 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.
7 + 3a + -2a = 18 + 2a + -2a

Combine like terms: 3a + -2a = 1a
7 + 1a = 18 + 2a + -2a

Combine like terms: 2a + -2a = 0
7 + 1a = 18 + 0
7 + 1a = 18

Add '-7' to each side of the equation.
7 + -7 + 1a = 18 + -7

Combine like terms: 7 + -7 = 0
0 + 1a = 18 + -7
1a = 18 + -7

Combine like terms: 18 + -7 = 11
1a = 11

Divide each side by '1'.
a = 11

Simplifying
a = 11

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