-42=-3X+2(-4X+1)

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Solution for -42=-3X+2(-4X+1) equation:


Simplifying
-42 = -3X + 2(-4X + 1)

Reorder the terms:
-42 = -3X + 2(1 + -4X)
-42 = -3X + (1 * 2 + -4X * 2)
-42 = -3X + (2 + -8X)

Reorder the terms:
-42 = 2 + -3X + -8X

Combine like terms: -3X + -8X = -11X
-42 = 2 + -11X

Solving
-42 = 2 + -11X

Solving for variable 'X'.

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

Add '11X' to each side of the equation.
-42 + 11X = 2 + -11X + 11X

Combine like terms: -11X + 11X = 0
-42 + 11X = 2 + 0
-42 + 11X = 2

Add '42' to each side of the equation.
-42 + 42 + 11X = 2 + 42

Combine like terms: -42 + 42 = 0
0 + 11X = 2 + 42
11X = 2 + 42

Combine like terms: 2 + 42 = 44
11X = 44

Divide each side by '11'.
X = 4

Simplifying
X = 4

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