5a-(a+4)=30-2x

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Solution for 5a-(a+4)=30-2x equation:


Simplifying
5a + -1(a + 4) = 30 + -2x

Reorder the terms:
5a + -1(4 + a) = 30 + -2x
5a + (4 * -1 + a * -1) = 30 + -2x
5a + (-4 + -1a) = 30 + -2x

Reorder the terms:
-4 + 5a + -1a = 30 + -2x

Combine like terms: 5a + -1a = 4a
-4 + 4a = 30 + -2x

Solving
-4 + 4a = 30 + -2x

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 4a = 30 + 4 + -2x

Combine like terms: -4 + 4 = 0
0 + 4a = 30 + 4 + -2x
4a = 30 + 4 + -2x

Combine like terms: 30 + 4 = 34
4a = 34 + -2x

Divide each side by '4'.
a = 8.5 + -0.5x

Simplifying
a = 8.5 + -0.5x

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