x+17=3(x+7)

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Solution for x+17=3(x+7) equation:


Simplifying
x + 17 = 3(x + 7)

Reorder the terms:
17 + x = 3(x + 7)

Reorder the terms:
17 + x = 3(7 + x)
17 + x = (7 * 3 + x * 3)
17 + x = (21 + 3x)

Solving
17 + x = 21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
17 + x + -3x = 21 + 3x + -3x

Combine like terms: x + -3x = -2x
17 + -2x = 21 + 3x + -3x

Combine like terms: 3x + -3x = 0
17 + -2x = 21 + 0
17 + -2x = 21

Add '-17' to each side of the equation.
17 + -17 + -2x = 21 + -17

Combine like terms: 17 + -17 = 0
0 + -2x = 21 + -17
-2x = 21 + -17

Combine like terms: 21 + -17 = 4
-2x = 4

Divide each side by '-2'.
x = -2

Simplifying
x = -2

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