3x+4x+17=122

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Solution for 3x+4x+17=122 equation:


Simplifying
3x + 4x + 17 = 122

Reorder the terms:
17 + 3x + 4x = 122

Combine like terms: 3x + 4x = 7x
17 + 7x = 122

Solving
17 + 7x = 122

Solving for variable 'x'.

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

Add '-17' to each side of the equation.
17 + -17 + 7x = 122 + -17

Combine like terms: 17 + -17 = 0
0 + 7x = 122 + -17
7x = 122 + -17

Combine like terms: 122 + -17 = 105
7x = 105

Divide each side by '7'.
x = 15

Simplifying
x = 15

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