9x-2+21=10-7

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Solution for 9x-2+21=10-7 equation:


Simplifying
9x + -2 + 21 = 10 + -7

Reorder the terms:
-2 + 21 + 9x = 10 + -7

Combine like terms: -2 + 21 = 19
19 + 9x = 10 + -7

Combine like terms: 10 + -7 = 3
19 + 9x = 3

Solving
19 + 9x = 3

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 9x = 3 + -19

Combine like terms: 19 + -19 = 0
0 + 9x = 3 + -19
9x = 3 + -19

Combine like terms: 3 + -19 = -16
9x = -16

Divide each side by '9'.
x = -1.777777778

Simplifying
x = -1.777777778

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