3[4x+1]=-21

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Solution for 3[4x+1]=-21 equation:


Simplifying
3[4x + 1] = -21

Reorder the terms:
3[1 + 4x] = -21
[1 * 3 + 4x * 3] = -21
[3 + 12x] = -21

Solving
3 + 12x = -21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 12x = -21 + -3

Combine like terms: 3 + -3 = 0
0 + 12x = -21 + -3
12x = -21 + -3

Combine like terms: -21 + -3 = -24
12x = -24

Divide each side by '12'.
x = -2

Simplifying
x = -2

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