-169=9x+10x+21

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Solution for -169=9x+10x+21 equation:


Simplifying
-169 = 9x + 10x + 21

Reorder the terms:
-169 = 21 + 9x + 10x

Combine like terms: 9x + 10x = 19x
-169 = 21 + 19x

Solving
-169 = 21 + 19x

Solving for variable 'x'.

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

Add '-19x' to each side of the equation.
-169 + -19x = 21 + 19x + -19x

Combine like terms: 19x + -19x = 0
-169 + -19x = 21 + 0
-169 + -19x = 21

Add '169' to each side of the equation.
-169 + 169 + -19x = 21 + 169

Combine like terms: -169 + 169 = 0
0 + -19x = 21 + 169
-19x = 21 + 169

Combine like terms: 21 + 169 = 190
-19x = 190

Divide each side by '-19'.
x = -10

Simplifying
x = -10

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