18x-[8-3(9x-4)]=70

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Solution for 18x-[8-3(9x-4)]=70 equation:


Simplifying
18x + -1[8 + -3(9x + -4)] = 70

Reorder the terms:
18x + -1[8 + -3(-4 + 9x)] = 70
18x + -1[8 + (-4 * -3 + 9x * -3)] = 70
18x + -1[8 + (12 + -27x)] = 70

Combine like terms: 8 + 12 = 20
18x + -1[20 + -27x] = 70
18x + [20 * -1 + -27x * -1] = 70
18x + [-20 + 27x] = 70

Reorder the terms:
-20 + 18x + 27x = 70

Combine like terms: 18x + 27x = 45x
-20 + 45x = 70

Solving
-20 + 45x = 70

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 45x = 70 + 20

Combine like terms: -20 + 20 = 0
0 + 45x = 70 + 20
45x = 70 + 20

Combine like terms: 70 + 20 = 90
45x = 90

Divide each side by '45'.
x = 2

Simplifying
x = 2

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