5-3(a+2)=(2b+7)-(b-12)

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Solution for 5-3(a+2)=(2b+7)-(b-12) equation:


Simplifying
5 + -3(a + 2) = (2b + 7) + -1(b + -12)

Reorder the terms:
5 + -3(2 + a) = (2b + 7) + -1(b + -12)
5 + (2 * -3 + a * -3) = (2b + 7) + -1(b + -12)
5 + (-6 + -3a) = (2b + 7) + -1(b + -12)

Combine like terms: 5 + -6 = -1
-1 + -3a = (2b + 7) + -1(b + -12)

Reorder the terms:
-1 + -3a = (7 + 2b) + -1(b + -12)

Remove parenthesis around (7 + 2b)
-1 + -3a = 7 + 2b + -1(b + -12)

Reorder the terms:
-1 + -3a = 7 + 2b + -1(-12 + b)
-1 + -3a = 7 + 2b + (-12 * -1 + b * -1)
-1 + -3a = 7 + 2b + (12 + -1b)

Reorder the terms:
-1 + -3a = 7 + 12 + 2b + -1b

Combine like terms: 7 + 12 = 19
-1 + -3a = 19 + 2b + -1b

Combine like terms: 2b + -1b = 1b
-1 + -3a = 19 + 1b

Solving
-1 + -3a = 19 + 1b

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 1 + -3a = 19 + 1 + 1b

Combine like terms: -1 + 1 = 0
0 + -3a = 19 + 1 + 1b
-3a = 19 + 1 + 1b

Combine like terms: 19 + 1 = 20
-3a = 20 + 1b

Divide each side by '-3'.
a = -6.666666667 + -0.3333333333b

Simplifying
a = -6.666666667 + -0.3333333333b

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