9(19-x)=7(3x+1)

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Solution for 9(19-x)=7(3x+1) equation:


Simplifying
9(19 + -1x) = 7(3x + 1)
(19 * 9 + -1x * 9) = 7(3x + 1)
(171 + -9x) = 7(3x + 1)

Reorder the terms:
171 + -9x = 7(1 + 3x)
171 + -9x = (1 * 7 + 3x * 7)
171 + -9x = (7 + 21x)

Solving
171 + -9x = 7 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
171 + -9x + -21x = 7 + 21x + -21x

Combine like terms: -9x + -21x = -30x
171 + -30x = 7 + 21x + -21x

Combine like terms: 21x + -21x = 0
171 + -30x = 7 + 0
171 + -30x = 7

Add '-171' to each side of the equation.
171 + -171 + -30x = 7 + -171

Combine like terms: 171 + -171 = 0
0 + -30x = 7 + -171
-30x = 7 + -171

Combine like terms: 7 + -171 = -164
-30x = -164

Divide each side by '-30'.
x = 5.466666667

Simplifying
x = 5.466666667

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