7x+20=4x+71

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Solution for 7x+20=4x+71 equation:


Simplifying
7x + 20 = 4x + 71

Reorder the terms:
20 + 7x = 4x + 71

Reorder the terms:
20 + 7x = 71 + 4x

Solving
20 + 7x = 71 + 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.
20 + 7x + -4x = 71 + 4x + -4x

Combine like terms: 7x + -4x = 3x
20 + 3x = 71 + 4x + -4x

Combine like terms: 4x + -4x = 0
20 + 3x = 71 + 0
20 + 3x = 71

Add '-20' to each side of the equation.
20 + -20 + 3x = 71 + -20

Combine like terms: 20 + -20 = 0
0 + 3x = 71 + -20
3x = 71 + -20

Combine like terms: 71 + -20 = 51
3x = 51

Divide each side by '3'.
x = 17

Simplifying
x = 17

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