3-(2x+9)=-45

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Solution for 3-(2x+9)=-45 equation:


Simplifying
3 + -1(2x + 9) = -45

Reorder the terms:
3 + -1(9 + 2x) = -45
3 + (9 * -1 + 2x * -1) = -45
3 + (-9 + -2x) = -45

Combine like terms: 3 + -9 = -6
-6 + -2x = -45

Solving
-6 + -2x = -45

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + -2x = -45 + 6

Combine like terms: -6 + 6 = 0
0 + -2x = -45 + 6
-2x = -45 + 6

Combine like terms: -45 + 6 = -39
-2x = -39

Divide each side by '-2'.
x = 19.5

Simplifying
x = 19.5

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