3(x-5)+5(x+2)=x-9

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Solution for 3(x-5)+5(x+2)=x-9 equation:


Simplifying
3(x + -5) + 5(x + 2) = x + -9

Reorder the terms:
3(-5 + x) + 5(x + 2) = x + -9
(-5 * 3 + x * 3) + 5(x + 2) = x + -9
(-15 + 3x) + 5(x + 2) = x + -9

Reorder the terms:
-15 + 3x + 5(2 + x) = x + -9
-15 + 3x + (2 * 5 + x * 5) = x + -9
-15 + 3x + (10 + 5x) = x + -9

Reorder the terms:
-15 + 10 + 3x + 5x = x + -9

Combine like terms: -15 + 10 = -5
-5 + 3x + 5x = x + -9

Combine like terms: 3x + 5x = 8x
-5 + 8x = x + -9

Reorder the terms:
-5 + 8x = -9 + x

Solving
-5 + 8x = -9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-5 + 8x + -1x = -9 + x + -1x

Combine like terms: 8x + -1x = 7x
-5 + 7x = -9 + x + -1x

Combine like terms: x + -1x = 0
-5 + 7x = -9 + 0
-5 + 7x = -9

Add '5' to each side of the equation.
-5 + 5 + 7x = -9 + 5

Combine like terms: -5 + 5 = 0
0 + 7x = -9 + 5
7x = -9 + 5

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

Divide each side by '7'.
x = -0.5714285714

Simplifying
x = -0.5714285714

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