7x+(-1x+4)=20

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Solution for 7x+(-1x+4)=20 equation:


Simplifying
7x + (-1x + 4) = 20

Reorder the terms:
7x + (4 + -1x) = 20

Remove parenthesis around (4 + -1x)
7x + 4 + -1x = 20

Reorder the terms:
4 + 7x + -1x = 20

Combine like terms: 7x + -1x = 6x
4 + 6x = 20

Solving
4 + 6x = 20

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 + 6x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 6x = 20 + -4
6x = 20 + -4

Combine like terms: 20 + -4 = 16
6x = 16

Divide each side by '6'.
x = 2.666666667

Simplifying
x = 2.666666667

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