42=12X-4+17X+8

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Solution for 42=12X-4+17X+8 equation:


Simplifying
42 = 12X + -4 + 17X + 8

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

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

Combine like terms: 12X + 17X = 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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