1.2=2[2x+9]

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Solution for 1.2=2[2x+9] equation:


Simplifying
1.2 = 2[2x + 9]

Reorder the terms:
1.2 = 2[9 + 2x]
1.2 = [9 * 2 + 2x * 2]
1.2 = [18 + 4x]

Solving
1.2 = 18 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
1.2 + -4x = 18 + 4x + -4x

Combine like terms: 4x + -4x = 0
1.2 + -4x = 18 + 0
1.2 + -4x = 18

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -4x = 18 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -4x = 18 + -1.2
-4x = 18 + -1.2

Combine like terms: 18 + -1.2 = 16.8
-4x = 16.8

Divide each side by '-4'.
x = -4.2

Simplifying
x = -4.2

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