7x-5(x+1)+9=19

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Solution for 7x-5(x+1)+9=19 equation:


Simplifying
7x + -5(x + 1) + 9 = 19

Reorder the terms:
7x + -5(1 + x) + 9 = 19
7x + (1 * -5 + x * -5) + 9 = 19
7x + (-5 + -5x) + 9 = 19

Reorder the terms:
-5 + 9 + 7x + -5x = 19

Combine like terms: -5 + 9 = 4
4 + 7x + -5x = 19

Combine like terms: 7x + -5x = 2x
4 + 2x = 19

Solving
4 + 2x = 19

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 2x = 19 + -4

Combine like terms: 4 + -4 = 0
0 + 2x = 19 + -4
2x = 19 + -4

Combine like terms: 19 + -4 = 15
2x = 15

Divide each side by '2'.
x = 7.5

Simplifying
x = 7.5

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