19-7a=4(a+6)-8(5+2a)

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Solution for 19-7a=4(a+6)-8(5+2a) equation:


Simplifying
19 + -7a = 4(a + 6) + -8(5 + 2a)

Reorder the terms:
19 + -7a = 4(6 + a) + -8(5 + 2a)
19 + -7a = (6 * 4 + a * 4) + -8(5 + 2a)
19 + -7a = (24 + 4a) + -8(5 + 2a)
19 + -7a = 24 + 4a + (5 * -8 + 2a * -8)
19 + -7a = 24 + 4a + (-40 + -16a)

Reorder the terms:
19 + -7a = 24 + -40 + 4a + -16a

Combine like terms: 24 + -40 = -16
19 + -7a = -16 + 4a + -16a

Combine like terms: 4a + -16a = -12a
19 + -7a = -16 + -12a

Solving
19 + -7a = -16 + -12a

Solving for variable 'a'.

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

Add '12a' to each side of the equation.
19 + -7a + 12a = -16 + -12a + 12a

Combine like terms: -7a + 12a = 5a
19 + 5a = -16 + -12a + 12a

Combine like terms: -12a + 12a = 0
19 + 5a = -16 + 0
19 + 5a = -16

Add '-19' to each side of the equation.
19 + -19 + 5a = -16 + -19

Combine like terms: 19 + -19 = 0
0 + 5a = -16 + -19
5a = -16 + -19

Combine like terms: -16 + -19 = -35
5a = -35

Divide each side by '5'.
a = -7

Simplifying
a = -7

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