(3x-8)+(x+9)=50

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Solution for (3x-8)+(x+9)=50 equation:


Simplifying
(3x + -8) + (x + 9) = 50

Reorder the terms:
(-8 + 3x) + (x + 9) = 50

Remove parenthesis around (-8 + 3x)
-8 + 3x + (x + 9) = 50

Reorder the terms:
-8 + 3x + (9 + x) = 50

Remove parenthesis around (9 + x)
-8 + 3x + 9 + x = 50

Reorder the terms:
-8 + 9 + 3x + x = 50

Combine like terms: -8 + 9 = 1
1 + 3x + x = 50

Combine like terms: 3x + x = 4x
1 + 4x = 50

Solving
1 + 4x = 50

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 4x = 50 + -1

Combine like terms: 1 + -1 = 0
0 + 4x = 50 + -1
4x = 50 + -1

Combine like terms: 50 + -1 = 49
4x = 49

Divide each side by '4'.
x = 12.25

Simplifying
x = 12.25

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