2a+4(a-1)=5-(2a+1)

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Solution for 2a+4(a-1)=5-(2a+1) equation:


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

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

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

Combine like terms: 2a + 4a = 6a
-4 + 6a = 5 + -1(2a + 1)

Reorder the terms:
-4 + 6a = 5 + -1(1 + 2a)
-4 + 6a = 5 + (1 * -1 + 2a * -1)
-4 + 6a = 5 + (-1 + -2a)

Combine like terms: 5 + -1 = 4
-4 + 6a = 4 + -2a

Solving
-4 + 6a = 4 + -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.
-4 + 6a + 2a = 4 + -2a + 2a

Combine like terms: 6a + 2a = 8a
-4 + 8a = 4 + -2a + 2a

Combine like terms: -2a + 2a = 0
-4 + 8a = 4 + 0
-4 + 8a = 4

Add '4' to each side of the equation.
-4 + 4 + 8a = 4 + 4

Combine like terms: -4 + 4 = 0
0 + 8a = 4 + 4
8a = 4 + 4

Combine like terms: 4 + 4 = 8
8a = 8

Divide each side by '8'.
a = 1

Simplifying
a = 1

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