7(7X+9)+3(4X+9)=0

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Solution for 7(7X+9)+3(4X+9)=0 equation:


Simplifying
7(7X + 9) + 3(4X + 9) = 0

Reorder the terms:
7(9 + 7X) + 3(4X + 9) = 0
(9 * 7 + 7X * 7) + 3(4X + 9) = 0
(63 + 49X) + 3(4X + 9) = 0

Reorder the terms:
63 + 49X + 3(9 + 4X) = 0
63 + 49X + (9 * 3 + 4X * 3) = 0
63 + 49X + (27 + 12X) = 0

Reorder the terms:
63 + 27 + 49X + 12X = 0

Combine like terms: 63 + 27 = 90
90 + 49X + 12X = 0

Combine like terms: 49X + 12X = 61X
90 + 61X = 0

Solving
90 + 61X = 0

Solving for variable 'X'.

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

Add '-90' to each side of the equation.
90 + -90 + 61X = 0 + -90

Combine like terms: 90 + -90 = 0
0 + 61X = 0 + -90
61X = 0 + -90

Combine like terms: 0 + -90 = -90
61X = -90

Divide each side by '61'.
X = -1.475409836

Simplifying
X = -1.475409836

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