127=3x+x+7

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Solution for 127=3x+x+7 equation:


Simplifying
127 = 3x + x + 7

Reorder the terms:
127 = 7 + 3x + x

Combine like terms: 3x + x = 4x
127 = 7 + 4x

Solving
127 = 7 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
127 + -4x = 7 + 4x + -4x

Combine like terms: 4x + -4x = 0
127 + -4x = 7 + 0
127 + -4x = 7

Add '-127' to each side of the equation.
127 + -127 + -4x = 7 + -127

Combine like terms: 127 + -127 = 0
0 + -4x = 7 + -127
-4x = 7 + -127

Combine like terms: 7 + -127 = -120
-4x = -120

Divide each side by '-4'.
x = 30

Simplifying
x = 30

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