102=2x+7(3x-15)

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Solution for 102=2x+7(3x-15) equation:


Simplifying
102 = 2x + 7(3x + -15)

Reorder the terms:
102 = 2x + 7(-15 + 3x)
102 = 2x + (-15 * 7 + 3x * 7)
102 = 2x + (-105 + 21x)

Reorder the terms:
102 = -105 + 2x + 21x

Combine like terms: 2x + 21x = 23x
102 = -105 + 23x

Solving
102 = -105 + 23x

Solving for variable 'x'.

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

Add '-23x' to each side of the equation.
102 + -23x = -105 + 23x + -23x

Combine like terms: 23x + -23x = 0
102 + -23x = -105 + 0
102 + -23x = -105

Add '-102' to each side of the equation.
102 + -102 + -23x = -105 + -102

Combine like terms: 102 + -102 = 0
0 + -23x = -105 + -102
-23x = -105 + -102

Combine like terms: -105 + -102 = -207
-23x = -207

Divide each side by '-23'.
x = 9

Simplifying
x = 9

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