21x+1=18x-13

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Solution for 21x+1=18x-13 equation: 


Simplifying
21x + 1 = 18x + -13

Reorder the terms:
1 + 21x = 18x + -13

Reorder the terms:
1 + 21x = -13 + 18x

Solving
1 + 21x = -13 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
1 + 21x + -18x = -13 + 18x + -18x

Combine like terms: 21x + -18x = 3x
1 + 3x = -13 + 18x + -18x

Combine like terms: 18x + -18x = 0
1 + 3x = -13 + 0
1 + 3x = -13

Add '-1' to each side of the equation.
1 + -1 + 3x = -13 + -1

Combine like terms: 1 + -1 = 0
0 + 3x = -13 + -1
3x = -13 + -1

Combine like terms: -13 + -1 = -14
3x = -14

Divide each side by '3'.
x = -4.666666667

Simplifying
x = -4.666666667

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