10x+2=9x+21

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


Simplifying
10x + 2 = 9x + 21

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

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

Solving
2 + 10x = 21 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
2 + 10x + -9x = 21 + 9x + -9x

Combine like terms: 10x + -9x = 1x
2 + 1x = 21 + 9x + -9x

Combine like terms: 9x + -9x = 0
2 + 1x = 21 + 0
2 + 1x = 21

Add '-2' to each side of the equation.
2 + -2 + 1x = 21 + -2

Combine like terms: 2 + -2 = 0
0 + 1x = 21 + -2
1x = 21 + -2

Combine like terms: 21 + -2 = 19
1x = 19

Divide each side by '1'.
x = 19

Simplifying
x = 19

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