4X+3[7+2(X-3)]=86

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Solution for 4X+3[7+2(X-3)]=86 equation:


Simplifying
4X + 3[7 + 2(X + -3)] = 86

Reorder the terms:
4X + 3[7 + 2(-3 + X)] = 86
4X + 3[7 + (-3 * 2 + X * 2)] = 86
4X + 3[7 + (-6 + 2X)] = 86

Combine like terms: 7 + -6 = 1
4X + 3[1 + 2X] = 86
4X + [1 * 3 + 2X * 3] = 86
4X + [3 + 6X] = 86

Reorder the terms:
3 + 4X + 6X = 86

Combine like terms: 4X + 6X = 10X
3 + 10X = 86

Solving
3 + 10X = 86

Solving for variable 'X'.

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

Add '-3' to each side of the equation.
3 + -3 + 10X = 86 + -3

Combine like terms: 3 + -3 = 0
0 + 10X = 86 + -3
10X = 86 + -3

Combine like terms: 86 + -3 = 83
10X = 83

Divide each side by '10'.
X = 8.3

Simplifying
X = 8.3

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