7+3(-7x-3)=9

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Solution for 7+3(-7x-3)=9 equation:


Simplifying
7 + 3(-7x + -3) = 9

Reorder the terms:
7 + 3(-3 + -7x) = 9
7 + (-3 * 3 + -7x * 3) = 9
7 + (-9 + -21x) = 9

Combine like terms: 7 + -9 = -2
-2 + -21x = 9

Solving
-2 + -21x = 9

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + -21x = 9 + 2

Combine like terms: -2 + 2 = 0
0 + -21x = 9 + 2
-21x = 9 + 2

Combine like terms: 9 + 2 = 11
-21x = 11

Divide each side by '-21'.
x = -0.5238095238

Simplifying
x = -0.5238095238

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