103=x+(x-7)+2(x-7)

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Solution for 103=x+(x-7)+2(x-7) equation:


Simplifying
103 = x + (x + -7) + 2(x + -7)

Reorder the terms:
103 = x + (-7 + x) + 2(x + -7)

Remove parenthesis around (-7 + x)
103 = x + -7 + x + 2(x + -7)

Reorder the terms:
103 = x + -7 + x + 2(-7 + x)
103 = x + -7 + x + (-7 * 2 + x * 2)
103 = x + -7 + x + (-14 + 2x)

Reorder the terms:
103 = -7 + -14 + x + x + 2x

Combine like terms: -7 + -14 = -21
103 = -21 + x + x + 2x

Combine like terms: x + x = 2x
103 = -21 + 2x + 2x

Combine like terms: 2x + 2x = 4x
103 = -21 + 4x

Solving
103 = -21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
103 + -4x = -21 + 4x + -4x

Combine like terms: 4x + -4x = 0
103 + -4x = -21 + 0
103 + -4x = -21

Add '-103' to each side of the equation.
103 + -103 + -4x = -21 + -103

Combine like terms: 103 + -103 = 0
0 + -4x = -21 + -103
-4x = -21 + -103

Combine like terms: -21 + -103 = -124
-4x = -124

Divide each side by '-4'.
x = 31

Simplifying
x = 31

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