33=7(1+2a)-a

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Solution for 33=7(1+2a)-a equation:


Simplifying
33 = 7(1 + 2a) + -1a
33 = (1 * 7 + 2a * 7) + -1a
33 = (7 + 14a) + -1a

Combine like terms: 14a + -1a = 13a
33 = 7 + 13a

Solving
33 = 7 + 13a

Solving for variable 'a'.

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

Add '-13a' to each side of the equation.
33 + -13a = 7 + 13a + -13a

Combine like terms: 13a + -13a = 0
33 + -13a = 7 + 0
33 + -13a = 7

Add '-33' to each side of the equation.
33 + -33 + -13a = 7 + -33

Combine like terms: 33 + -33 = 0
0 + -13a = 7 + -33
-13a = 7 + -33

Combine like terms: 7 + -33 = -26
-13a = -26

Divide each side by '-13'.
a = 2

Simplifying
a = 2

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