21x-9-19x=-15

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Solution for 21x-9-19x=-15 equation:


Simplifying
21x + -9 + -19x = -15

Reorder the terms:
-9 + 21x + -19x = -15

Combine like terms: 21x + -19x = 2x
-9 + 2x = -15

Solving
-9 + 2x = -15

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 2x = -15 + 9

Combine like terms: -9 + 9 = 0
0 + 2x = -15 + 9
2x = -15 + 9

Combine like terms: -15 + 9 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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