[7(x+4)-18]-[3(x-4)+3]=

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Solution for [7(x+4)-18]-[3(x-4)+3]= equation:


Simplifying
[7(x + 4) + -18] + -1[3(x + -4) + 3] = 0

Reorder the terms:
[7(4 + x) + -18] + -1[3(x + -4) + 3] = 0
[(4 * 7 + x * 7) + -18] + -1[3(x + -4) + 3] = 0
[(28 + 7x) + -18] + -1[3(x + -4) + 3] = 0

Reorder the terms:
[28 + -18 + 7x] + -1[3(x + -4) + 3] = 0

Combine like terms: 28 + -18 = 10
[10 + 7x] + -1[3(x + -4) + 3] = 0

Remove brackets around [10 + 7x]
10 + 7x + -1[3(x + -4) + 3] = 0

Reorder the terms:
10 + 7x + -1[3(-4 + x) + 3] = 0
10 + 7x + -1[(-4 * 3 + x * 3) + 3] = 0
10 + 7x + -1[(-12 + 3x) + 3] = 0

Reorder the terms:
10 + 7x + -1[-12 + 3 + 3x] = 0

Combine like terms: -12 + 3 = -9
10 + 7x + -1[-9 + 3x] = 0
10 + 7x + [-9 * -1 + 3x * -1] = 0
10 + 7x + [9 + -3x] = 0

Reorder the terms:
10 + 9 + 7x + -3x = 0

Combine like terms: 10 + 9 = 19
19 + 7x + -3x = 0

Combine like terms: 7x + -3x = 4x
19 + 4x = 0

Solving
19 + 4x = 0

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 4x = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 4x = 0 + -19
4x = 0 + -19

Combine like terms: 0 + -19 = -19
4x = -19

Divide each side by '4'.
x = -4.75

Simplifying
x = -4.75

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