3(4x+7)=-21+18

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Solution for 3(4x+7)=-21+18 equation:


Simplifying
3(4x + 7) = -21 + 18

Reorder the terms:
3(7 + 4x) = -21 + 18
(7 * 3 + 4x * 3) = -21 + 18
(21 + 12x) = -21 + 18

Combine like terms: -21 + 18 = -3
21 + 12x = -3

Solving
21 + 12x = -3

Solving for variable 'x'.

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

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

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

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

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

Simplifying
x = -2

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