3[7-(-7x-2)]=42x+33

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Solution for 3[7-(-7x-2)]=42x+33 equation:


Simplifying
3[7 + -1(-7x + -2)] = 42x + 33

Reorder the terms:
3[7 + -1(-2 + -7x)] = 42x + 33
3[7 + (-2 * -1 + -7x * -1)] = 42x + 33
3[7 + (2 + 7x)] = 42x + 33

Combine like terms: 7 + 2 = 9
3[9 + 7x] = 42x + 33
[9 * 3 + 7x * 3] = 42x + 33
[27 + 21x] = 42x + 33

Reorder the terms:
27 + 21x = 33 + 42x

Solving
27 + 21x = 33 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
27 + 21x + -42x = 33 + 42x + -42x

Combine like terms: 21x + -42x = -21x
27 + -21x = 33 + 42x + -42x

Combine like terms: 42x + -42x = 0
27 + -21x = 33 + 0
27 + -21x = 33

Add '-27' to each side of the equation.
27 + -27 + -21x = 33 + -27

Combine like terms: 27 + -27 = 0
0 + -21x = 33 + -27
-21x = 33 + -27

Combine like terms: 33 + -27 = 6
-21x = 6

Divide each side by '-21'.
x = -0.2857142857

Simplifying
x = -0.2857142857

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