7x-31=3x+49

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Solution for 7x-31=3x+49 equation:


Simplifying
7x + -31 = 3x + 49

Reorder the terms:
-31 + 7x = 3x + 49

Reorder the terms:
-31 + 7x = 49 + 3x

Solving
-31 + 7x = 49 + 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.
-31 + 7x + -3x = 49 + 3x + -3x

Combine like terms: 7x + -3x = 4x
-31 + 4x = 49 + 3x + -3x

Combine like terms: 3x + -3x = 0
-31 + 4x = 49 + 0
-31 + 4x = 49

Add '31' to each side of the equation.
-31 + 31 + 4x = 49 + 31

Combine like terms: -31 + 31 = 0
0 + 4x = 49 + 31
4x = 49 + 31

Combine like terms: 49 + 31 = 80
4x = 80

Divide each side by '4'.
x = 20

Simplifying
x = 20

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