[42+2x]=[3x+4]

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Solution for [42+2x]=[3x+4] equation:


Simplifying
[42 + 2x] = [3x + 4]

Remove brackets around [42 + 2x]
42 + 2x = [3x + 4]

Reorder the terms:
42 + 2x = [4 + 3x]

Remove brackets around [4 + 3x]
42 + 2x = 4 + 3x

Solving
42 + 2x = 4 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
42 + 2x + -3x = 4 + 3x + -3x

Combine like terms: 2x + -3x = -1x
42 + -1x = 4 + 3x + -3x

Combine like terms: 3x + -3x = 0
42 + -1x = 4 + 0
42 + -1x = 4

Add '-42' to each side of the equation.
42 + -42 + -1x = 4 + -42

Combine like terms: 42 + -42 = 0
0 + -1x = 4 + -42
-1x = 4 + -42

Combine like terms: 4 + -42 = -38
-1x = -38

Divide each side by '-1'.
x = 38

Simplifying
x = 38

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