7(x+3)-(4x-1)=9

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Solution for 7(x+3)-(4x-1)=9 equation:


Simplifying
7(x + 3) + -1(4x + -1) = 9

Reorder the terms:
7(3 + x) + -1(4x + -1) = 9
(3 * 7 + x * 7) + -1(4x + -1) = 9
(21 + 7x) + -1(4x + -1) = 9

Reorder the terms:
21 + 7x + -1(-1 + 4x) = 9
21 + 7x + (-1 * -1 + 4x * -1) = 9
21 + 7x + (1 + -4x) = 9

Reorder the terms:
21 + 1 + 7x + -4x = 9

Combine like terms: 21 + 1 = 22
22 + 7x + -4x = 9

Combine like terms: 7x + -4x = 3x
22 + 3x = 9

Solving
22 + 3x = 9

Solving for variable 'x'.

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

Add '-22' to each side of the equation.
22 + -22 + 3x = 9 + -22

Combine like terms: 22 + -22 = 0
0 + 3x = 9 + -22
3x = 9 + -22

Combine like terms: 9 + -22 = -13
3x = -13

Divide each side by '3'.
x = -4.333333333

Simplifying
x = -4.333333333

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