-3(x+2.3)=18

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Solution for -3(x+2.3)=18 equation:


Simplifying
-3(x + 2.3) = 18

Reorder the terms:
-3(2.3 + x) = 18
(2.3 * -3 + x * -3) = 18
(-6.9 + -3x) = 18

Solving
-6.9 + -3x = 18

Solving for variable 'x'.

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

Add '6.9' to each side of the equation.
-6.9 + 6.9 + -3x = 18 + 6.9

Combine like terms: -6.9 + 6.9 = 0.0
0.0 + -3x = 18 + 6.9
-3x = 18 + 6.9

Combine like terms: 18 + 6.9 = 24.9
-3x = 24.9

Divide each side by '-3'.
x = -8.3

Simplifying
x = -8.3

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