10-9=20+8x

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Solution for 10-9=20+8x equation:


Simplifying
10 + -9 = 20 + 8x

Combine like terms: 10 + -9 = 1
1 = 20 + 8x

Solving
1 = 20 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
1 + -8x = 20 + 8x + -8x

Combine like terms: 8x + -8x = 0
1 + -8x = 20 + 0
1 + -8x = 20

Add '-1' to each side of the equation.
1 + -1 + -8x = 20 + -1

Combine like terms: 1 + -1 = 0
0 + -8x = 20 + -1
-8x = 20 + -1

Combine like terms: 20 + -1 = 19
-8x = 19

Divide each side by '-8'.
x = -2.375

Simplifying
x = -2.375

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