42=(17x+8)+(12x-4)

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Solution for 42=(17x+8)+(12x-4) equation: 


Simplifying
42 = (17x + 8) + (12x + -4)

Reorder the terms:
42 = (8 + 17x) + (12x + -4)

Remove parenthesis around (8 + 17x)
42 = 8 + 17x + (12x + -4)

Reorder the terms:
42 = 8 + 17x + (-4 + 12x)

Remove parenthesis around (-4 + 12x)
42 = 8 + 17x + -4 + 12x

Reorder the terms:
42 = 8 + -4 + 17x + 12x

Combine like terms: 8 + -4 = 4
42 = 4 + 17x + 12x

Combine like terms: 17x + 12x = 29x
42 = 4 + 29x

Solving
42 = 4 + 29x

Solving for variable 'x'.

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

Add '-29x' to each side of the equation.
42 + -29x = 4 + 29x + -29x

Combine like terms: 29x + -29x = 0
42 + -29x = 4 + 0
42 + -29x = 4

Add '-42' to each side of the equation.
42 + -42 + -29x = 4 + -42

Combine like terms: 42 + -42 = 0
0 + -29x = 4 + -42
-29x = 4 + -42

Combine like terms: 4 + -42 = -38
-29x = -38

Divide each side by '-29'.
x = 1.310344828

Simplifying
x = 1.310344828

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