4+42x=21x+40

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Solution for 4+42x=21x+40 equation:


Simplifying
4 + 42x = 21x + 40

Reorder the terms:
4 + 42x = 40 + 21x

Solving
4 + 42x = 40 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
4 + 42x + -21x = 40 + 21x + -21x

Combine like terms: 42x + -21x = 21x
4 + 21x = 40 + 21x + -21x

Combine like terms: 21x + -21x = 0
4 + 21x = 40 + 0
4 + 21x = 40

Add '-4' to each side of the equation.
4 + -4 + 21x = 40 + -4

Combine like terms: 4 + -4 = 0
0 + 21x = 40 + -4
21x = 40 + -4

Combine like terms: 40 + -4 = 36
21x = 36

Divide each side by '21'.
x = 1.714285714

Simplifying
x = 1.714285714

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