391=7x+251

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Solution for 391=7x+251 equation:


Simplifying
391 = 7x + 251

Reorder the terms:
391 = 251 + 7x

Solving
391 = 251 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
391 + -7x = 251 + 7x + -7x

Combine like terms: 7x + -7x = 0
391 + -7x = 251 + 0
391 + -7x = 251

Add '-391' to each side of the equation.
391 + -391 + -7x = 251 + -391

Combine like terms: 391 + -391 = 0
0 + -7x = 251 + -391
-7x = 251 + -391

Combine like terms: 251 + -391 = -140
-7x = -140

Divide each side by '-7'.
x = 20

Simplifying
x = 20

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