2x-[9-3(4x-7)]=26

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Solution for 2x-[9-3(4x-7)]=26 equation:


Simplifying
2x + -1[9 + -3(4x + -7)] = 26

Reorder the terms:
2x + -1[9 + -3(-7 + 4x)] = 26
2x + -1[9 + (-7 * -3 + 4x * -3)] = 26
2x + -1[9 + (21 + -12x)] = 26

Combine like terms: 9 + 21 = 30
2x + -1[30 + -12x] = 26
2x + [30 * -1 + -12x * -1] = 26
2x + [-30 + 12x] = 26

Reorder the terms:
-30 + 2x + 12x = 26

Combine like terms: 2x + 12x = 14x
-30 + 14x = 26

Solving
-30 + 14x = 26

Solving for variable 'x'.

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

Add '30' to each side of the equation.
-30 + 30 + 14x = 26 + 30

Combine like terms: -30 + 30 = 0
0 + 14x = 26 + 30
14x = 26 + 30

Combine like terms: 26 + 30 = 56
14x = 56

Divide each side by '14'.
x = 4

Simplifying
x = 4

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