15x-20=14x-21

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Solution for 15x-20=14x-21 equation:


Simplifying
15x + -20 = 14x + -21

Reorder the terms:
-20 + 15x = 14x + -21

Reorder the terms:
-20 + 15x = -21 + 14x

Solving
-20 + 15x = -21 + 14x

Solving for variable 'x'.

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

Add '-14x' to each side of the equation.
-20 + 15x + -14x = -21 + 14x + -14x

Combine like terms: 15x + -14x = 1x
-20 + 1x = -21 + 14x + -14x

Combine like terms: 14x + -14x = 0
-20 + 1x = -21 + 0
-20 + 1x = -21

Add '20' to each side of the equation.
-20 + 20 + 1x = -21 + 20

Combine like terms: -20 + 20 = 0
0 + 1x = -21 + 20
1x = -21 + 20

Combine like terms: -21 + 20 = -1
1x = -1

Divide each side by '1'.
x = -1

Simplifying
x = -1

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