7+42x=21x+13

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Solution for 7+42x=21x+13 equation:


Simplifying
7 + 42x = 21x + 13

Reorder the terms:
7 + 42x = 13 + 21x

Solving
7 + 42x = 13 + 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.
7 + 42x + -21x = 13 + 21x + -21x

Combine like terms: 42x + -21x = 21x
7 + 21x = 13 + 21x + -21x

Combine like terms: 21x + -21x = 0
7 + 21x = 13 + 0
7 + 21x = 13

Add '-7' to each side of the equation.
7 + -7 + 21x = 13 + -7

Combine like terms: 7 + -7 = 0
0 + 21x = 13 + -7
21x = 13 + -7

Combine like terms: 13 + -7 = 6
21x = 6

Divide each side by '21'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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