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

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


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

Reorder the terms:
19 + -7a = (6 + a) + -8(5 + 2a)

Remove parenthesis around (6 + a)
19 + -7a = 6 + a + -8(5 + 2a)
19 + -7a = 6 + a + (5 * -8 + 2a * -8)
19 + -7a = 6 + a + (-40 + -16a)

Reorder the terms:
19 + -7a = 6 + -40 + a + -16a

Combine like terms: 6 + -40 = -34
19 + -7a = -34 + a + -16a

Combine like terms: a + -16a = -15a
19 + -7a = -34 + -15a

Solving
19 + -7a = -34 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
19 + -7a + 15a = -34 + -15a + 15a

Combine like terms: -7a + 15a = 8a
19 + 8a = -34 + -15a + 15a

Combine like terms: -15a + 15a = 0
19 + 8a = -34 + 0
19 + 8a = -34

Add '-19' to each side of the equation.
19 + -19 + 8a = -34 + -19

Combine like terms: 19 + -19 = 0
0 + 8a = -34 + -19
8a = -34 + -19

Combine like terms: -34 + -19 = -53
8a = -53

Divide each side by '8'.
a = -6.625

Simplifying
a = -6.625

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