2x+3(10)-9=0

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Solution for 2x+3(10)-9=0 equation:


Simplifying
2x + 3(10) + -9 = 0

Multiply 3 * 10
2x + 30 + -9 = 0

Reorder the terms:
30 + -9 + 2x = 0

Combine like terms: 30 + -9 = 21
21 + 2x = 0

Solving
21 + 2x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 2x = 0 + -21

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

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

Divide each side by '2'.
x = -10.5

Simplifying
x = -10.5

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