7+21x=23x-3

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Solution for 7+21x=23x-3 equation:


Simplifying
7 + 21x = 23x + -3

Reorder the terms:
7 + 21x = -3 + 23x

Solving
7 + 21x = -3 + 23x

Solving for variable 'x'.

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

Add '-23x' to each side of the equation.
7 + 21x + -23x = -3 + 23x + -23x

Combine like terms: 21x + -23x = -2x
7 + -2x = -3 + 23x + -23x

Combine like terms: 23x + -23x = 0
7 + -2x = -3 + 0
7 + -2x = -3

Add '-7' to each side of the equation.
7 + -7 + -2x = -3 + -7

Combine like terms: 7 + -7 = 0
0 + -2x = -3 + -7
-2x = -3 + -7

Combine like terms: -3 + -7 = -10
-2x = -10

Divide each side by '-2'.
x = 5

Simplifying
x = 5

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