3(3x-5)-(x+5)=

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Solution for 3(3x-5)-(x+5)= equation:


Simplifying
3(3x + -5) + -1(x + 5) = 0

Reorder the terms:
3(-5 + 3x) + -1(x + 5) = 0
(-5 * 3 + 3x * 3) + -1(x + 5) = 0
(-15 + 9x) + -1(x + 5) = 0

Reorder the terms:
-15 + 9x + -1(5 + x) = 0
-15 + 9x + (5 * -1 + x * -1) = 0
-15 + 9x + (-5 + -1x) = 0

Reorder the terms:
-15 + -5 + 9x + -1x = 0

Combine like terms: -15 + -5 = -20
-20 + 9x + -1x = 0

Combine like terms: 9x + -1x = 8x
-20 + 8x = 0

Solving
-20 + 8x = 0

Solving for variable 'x'.

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

Add '20' to each side of the equation.
-20 + 20 + 8x = 0 + 20

Combine like terms: -20 + 20 = 0
0 + 8x = 0 + 20
8x = 0 + 20

Combine like terms: 0 + 20 = 20
8x = 20

Divide each side by '8'.
x = 2.5

Simplifying
x = 2.5

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