7a-56+30=3a-18

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Solution for 7a-56+30=3a-18 equation:


Simplifying
7a + -56 + 30 = 3a + -18

Reorder the terms:
-56 + 30 + 7a = 3a + -18

Combine like terms: -56 + 30 = -26
-26 + 7a = 3a + -18

Reorder the terms:
-26 + 7a = -18 + 3a

Solving
-26 + 7a = -18 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-26 + 7a + -3a = -18 + 3a + -3a

Combine like terms: 7a + -3a = 4a
-26 + 4a = -18 + 3a + -3a

Combine like terms: 3a + -3a = 0
-26 + 4a = -18 + 0
-26 + 4a = -18

Add '26' to each side of the equation.
-26 + 26 + 4a = -18 + 26

Combine like terms: -26 + 26 = 0
0 + 4a = -18 + 26
4a = -18 + 26

Combine like terms: -18 + 26 = 8
4a = 8

Divide each side by '4'.
a = 2

Simplifying
a = 2

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