9x+21=10x-ray

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


Simplifying
9x + 21 = 10x + -1ray

Reorder the terms:
21 + 9x = 10x + -1ray

Reorder the terms:
21 + 9x = -1ary + 10x

Solving
21 + 9x = -1ary + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
21 + 9x + -10x = -1ary + 10x + -10x

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

Combine like terms: 10x + -10x = 0
21 + -1x = -1ary + 0
21 + -1x = -1ary

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

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

Divide each side by '-1'.
x = 21 + ary

Simplifying
x = 21 + ary

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