3(x-1)+2(5x-10)=8x+9

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Solution for 3(x-1)+2(5x-10)=8x+9 equation:


Simplifying
3(x + -1) + 2(5x + -10) = 8x + 9

Reorder the terms:
3(-1 + x) + 2(5x + -10) = 8x + 9
(-1 * 3 + x * 3) + 2(5x + -10) = 8x + 9
(-3 + 3x) + 2(5x + -10) = 8x + 9

Reorder the terms:
-3 + 3x + 2(-10 + 5x) = 8x + 9
-3 + 3x + (-10 * 2 + 5x * 2) = 8x + 9
-3 + 3x + (-20 + 10x) = 8x + 9

Reorder the terms:
-3 + -20 + 3x + 10x = 8x + 9

Combine like terms: -3 + -20 = -23
-23 + 3x + 10x = 8x + 9

Combine like terms: 3x + 10x = 13x
-23 + 13x = 8x + 9

Reorder the terms:
-23 + 13x = 9 + 8x

Solving
-23 + 13x = 9 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
-23 + 13x + -8x = 9 + 8x + -8x

Combine like terms: 13x + -8x = 5x
-23 + 5x = 9 + 8x + -8x

Combine like terms: 8x + -8x = 0
-23 + 5x = 9 + 0
-23 + 5x = 9

Add '23' to each side of the equation.
-23 + 23 + 5x = 9 + 23

Combine like terms: -23 + 23 = 0
0 + 5x = 9 + 23
5x = 9 + 23

Combine like terms: 9 + 23 = 32
5x = 32

Divide each side by '5'.
x = 6.4

Simplifying
x = 6.4

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