7(a+4)-4(a+6)=1

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Solution for 7(a+4)-4(a+6)=1 equation:


Simplifying
7(a + 4) + -4(a + 6) = 1

Reorder the terms:
7(4 + a) + -4(a + 6) = 1
(4 * 7 + a * 7) + -4(a + 6) = 1
(28 + 7a) + -4(a + 6) = 1

Reorder the terms:
28 + 7a + -4(6 + a) = 1
28 + 7a + (6 * -4 + a * -4) = 1
28 + 7a + (-24 + -4a) = 1

Reorder the terms:
28 + -24 + 7a + -4a = 1

Combine like terms: 28 + -24 = 4
4 + 7a + -4a = 1

Combine like terms: 7a + -4a = 3a
4 + 3a = 1

Solving
4 + 3a = 1

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 + 3a = 1 + -4

Combine like terms: 4 + -4 = 0
0 + 3a = 1 + -4
3a = 1 + -4

Combine like terms: 1 + -4 = -3
3a = -3

Divide each side by '3'.
a = -1

Simplifying
a = -1

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