7(3x+6)-5x+12=84

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Solution for 7(3x+6)-5x+12=84 equation:


Simplifying
7(3x + 6) + -5x + 12 = 84

Reorder the terms:
7(6 + 3x) + -5x + 12 = 84
(6 * 7 + 3x * 7) + -5x + 12 = 84
(42 + 21x) + -5x + 12 = 84

Reorder the terms:
42 + 12 + 21x + -5x = 84

Combine like terms: 42 + 12 = 54
54 + 21x + -5x = 84

Combine like terms: 21x + -5x = 16x
54 + 16x = 84

Solving
54 + 16x = 84

Solving for variable 'x'.

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

Add '-54' to each side of the equation.
54 + -54 + 16x = 84 + -54

Combine like terms: 54 + -54 = 0
0 + 16x = 84 + -54
16x = 84 + -54

Combine like terms: 84 + -54 = 30
16x = 30

Divide each side by '16'.
x = 1.875

Simplifying
x = 1.875

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