2[4(X-7)+5]=90

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Solution for 2[4(X-7)+5]=90 equation:


Simplifying
2[4(X + -7) + 5] = 90

Reorder the terms:
2[4(-7 + X) + 5] = 90
2[(-7 * 4 + X * 4) + 5] = 90
2[(-28 + 4X) + 5] = 90

Reorder the terms:
2[-28 + 5 + 4X] = 90

Combine like terms: -28 + 5 = -23
2[-23 + 4X] = 90
[-23 * 2 + 4X * 2] = 90
[-46 + 8X] = 90

Solving
-46 + 8X = 90

Solving for variable 'X'.

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

Add '46' to each side of the equation.
-46 + 46 + 8X = 90 + 46

Combine like terms: -46 + 46 = 0
0 + 8X = 90 + 46
8X = 90 + 46

Combine like terms: 90 + 46 = 136
8X = 136

Divide each side by '8'.
X = 17

Simplifying
X = 17

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