21x+7-23x=6-7

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Solution for 21x+7-23x=6-7 equation:


Simplifying
21x + 7 + -23x = 6 + -7

Reorder the terms:
7 + 21x + -23x = 6 + -7

Combine like terms: 21x + -23x = -2x
7 + -2x = 6 + -7

Combine like terms: 6 + -7 = -1
7 + -2x = -1

Solving
7 + -2x = -1

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -2x = -1 + -7

Combine like terms: 7 + -7 = 0
0 + -2x = -1 + -7
-2x = -1 + -7

Combine like terms: -1 + -7 = -8
-2x = -8

Divide each side by '-2'.
x = 4

Simplifying
x = 4

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