3+5[x+2]=12

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Solution for 3+5[x+2]=12 equation:


Simplifying
3 + 5[x + 2] = 12

Reorder the terms:
3 + 5[2 + x] = 12
3 + [2 * 5 + x * 5] = 12
3 + [10 + 5x] = 12

Combine like terms: 3 + 10 = 13
13 + 5x = 12

Solving
13 + 5x = 12

Solving for variable 'x'.

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

Add '-13' to each side of the equation.
13 + -13 + 5x = 12 + -13

Combine like terms: 13 + -13 = 0
0 + 5x = 12 + -13
5x = 12 + -13

Combine like terms: 12 + -13 = -1
5x = -1

Divide each side by '5'.
x = -0.2

Simplifying
x = -0.2

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