1+8x+9=-20

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Solution for 1+8x+9=-20 equation:


Simplifying
1 + 8x + 9 = -20

Reorder the terms:
1 + 9 + 8x = -20

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

Solving
10 + 8x = -20

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 8x = -20 + -10

Combine like terms: 10 + -10 = 0
0 + 8x = -20 + -10
8x = -20 + -10

Combine like terms: -20 + -10 = -30
8x = -30

Divide each side by '8'.
x = -3.75

Simplifying
x = -3.75

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