7x+4-2x=-4+31

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Solution for 7x+4-2x=-4+31 equation: 


Simplifying
7x + 4 + -2x = -4 + 31

Reorder the terms:
4 + 7x + -2x = -4 + 31

Combine like terms: 7x + -2x = 5x
4 + 5x = -4 + 31

Combine like terms: -4 + 31 = 27
4 + 5x = 27

Solving
4 + 5x = 27

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 5x = 27 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 27 + -4
5x = 27 + -4

Combine like terms: 27 + -4 = 23
5x = 23

Divide each side by '5'.
x = 4.6

Simplifying
x = 4.6

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