3x+(x-5)=100

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Solution for 3x+(x-5)=100 equation:


Simplifying
3x + (x + -5) = 100

Reorder the terms:
3x + (-5 + x) = 100

Remove parenthesis around (-5 + x)
3x + -5 + x = 100

Reorder the terms:
-5 + 3x + x = 100

Combine like terms: 3x + x = 4x
-5 + 4x = 100

Solving
-5 + 4x = 100

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 4x = 100 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 100 + 5
4x = 100 + 5

Combine like terms: 100 + 5 = 105
4x = 105

Divide each side by '4'.
x = 26.25

Simplifying
x = 26.25

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