3[9-(-7x-2)]=63x+45

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Solution for 3[9-(-7x-2)]=63x+45 equation:


Simplifying
3[9 + -1(-7x + -2)] = 63x + 45

Reorder the terms:
3[9 + -1(-2 + -7x)] = 63x + 45
3[9 + (-2 * -1 + -7x * -1)] = 63x + 45
3[9 + (2 + 7x)] = 63x + 45

Combine like terms: 9 + 2 = 11
3[11 + 7x] = 63x + 45
[11 * 3 + 7x * 3] = 63x + 45
[33 + 21x] = 63x + 45

Reorder the terms:
33 + 21x = 45 + 63x

Solving
33 + 21x = 45 + 63x

Solving for variable 'x'.

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

Add '-63x' to each side of the equation.
33 + 21x + -63x = 45 + 63x + -63x

Combine like terms: 21x + -63x = -42x
33 + -42x = 45 + 63x + -63x

Combine like terms: 63x + -63x = 0
33 + -42x = 45 + 0
33 + -42x = 45

Add '-33' to each side of the equation.
33 + -33 + -42x = 45 + -33

Combine like terms: 33 + -33 = 0
0 + -42x = 45 + -33
-42x = 45 + -33

Combine like terms: 45 + -33 = 12
-42x = 12

Divide each side by '-42'.
x = -0.2857142857

Simplifying
x = -0.2857142857

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