9(x+1)-(4x-5)=7

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Solution for 9(x+1)-(4x-5)=7 equation:


Simplifying
9(x + 1) + -1(4x + -5) = 7

Reorder the terms:
9(1 + x) + -1(4x + -5) = 7
(1 * 9 + x * 9) + -1(4x + -5) = 7
(9 + 9x) + -1(4x + -5) = 7

Reorder the terms:
9 + 9x + -1(-5 + 4x) = 7
9 + 9x + (-5 * -1 + 4x * -1) = 7
9 + 9x + (5 + -4x) = 7

Reorder the terms:
9 + 5 + 9x + -4x = 7

Combine like terms: 9 + 5 = 14
14 + 9x + -4x = 7

Combine like terms: 9x + -4x = 5x
14 + 5x = 7

Solving
14 + 5x = 7

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + 5x = 7 + -14

Combine like terms: 14 + -14 = 0
0 + 5x = 7 + -14
5x = 7 + -14

Combine like terms: 7 + -14 = -7
5x = -7

Divide each side by '5'.
x = -1.4

Simplifying
x = -1.4

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