3-3[(9x-6)-10x]=4[4-(x-3)]

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Solution for 3-3[(9x-6)-10x]=4[4-(x-3)] equation:


Simplifying
3 + -3[(9x + -6) + -10x] = 4[4 + -1(x + -3)]

Reorder the terms:
3 + -3[(-6 + 9x) + -10x] = 4[4 + -1(x + -3)]

Remove parenthesis around (-6 + 9x)
3 + -3[-6 + 9x + -10x] = 4[4 + -1(x + -3)]

Combine like terms: 9x + -10x = -1x
3 + -3[-6 + -1x] = 4[4 + -1(x + -3)]
3 + [-6 * -3 + -1x * -3] = 4[4 + -1(x + -3)]
3 + [18 + 3x] = 4[4 + -1(x + -3)]

Combine like terms: 3 + 18 = 21
21 + 3x = 4[4 + -1(x + -3)]

Reorder the terms:
21 + 3x = 4[4 + -1(-3 + x)]
21 + 3x = 4[4 + (-3 * -1 + x * -1)]
21 + 3x = 4[4 + (3 + -1x)]

Combine like terms: 4 + 3 = 7
21 + 3x = 4[7 + -1x]
21 + 3x = [7 * 4 + -1x * 4]
21 + 3x = [28 + -4x]

Solving
21 + 3x = 28 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
21 + 3x + 4x = 28 + -4x + 4x

Combine like terms: 3x + 4x = 7x
21 + 7x = 28 + -4x + 4x

Combine like terms: -4x + 4x = 0
21 + 7x = 28 + 0
21 + 7x = 28

Add '-21' to each side of the equation.
21 + -21 + 7x = 28 + -21

Combine like terms: 21 + -21 = 0
0 + 7x = 28 + -21
7x = 28 + -21

Combine like terms: 28 + -21 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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