10+9x=42-x

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Solution for 10+9x=42-x equation:


Simplifying
10 + 9x = 42 + -1x

Solving
10 + 9x = 42 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
10 + 9x + x = 42 + -1x + x

Combine like terms: 9x + x = 10x
10 + 10x = 42 + -1x + x

Combine like terms: -1x + x = 0
10 + 10x = 42 + 0
10 + 10x = 42

Add '-10' to each side of the equation.
10 + -10 + 10x = 42 + -10

Combine like terms: 10 + -10 = 0
0 + 10x = 42 + -10
10x = 42 + -10

Combine like terms: 42 + -10 = 32
10x = 32

Divide each side by '10'.
x = 3.2

Simplifying
x = 3.2

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