7x+35=21x+31

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Solution for 7x+35=21x+31 equation:


Simplifying
7x + 35 = 21x + 31

Reorder the terms:
35 + 7x = 21x + 31

Reorder the terms:
35 + 7x = 31 + 21x

Solving
35 + 7x = 31 + 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.
35 + 7x + -21x = 31 + 21x + -21x

Combine like terms: 7x + -21x = -14x
35 + -14x = 31 + 21x + -21x

Combine like terms: 21x + -21x = 0
35 + -14x = 31 + 0
35 + -14x = 31

Add '-35' to each side of the equation.
35 + -35 + -14x = 31 + -35

Combine like terms: 35 + -35 = 0
0 + -14x = 31 + -35
-14x = 31 + -35

Combine like terms: 31 + -35 = -4
-14x = -4

Divide each side by '-14'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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