6x+3(3x-20)=10(x-40)

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Solution for 6x+3(3x-20)=10(x-40) equation:


Simplifying
6x + 3(3x + -20) = 10(x + -40)

Reorder the terms:
6x + 3(-20 + 3x) = 10(x + -40)
6x + (-20 * 3 + 3x * 3) = 10(x + -40)
6x + (-60 + 9x) = 10(x + -40)

Reorder the terms:
-60 + 6x + 9x = 10(x + -40)

Combine like terms: 6x + 9x = 15x
-60 + 15x = 10(x + -40)

Reorder the terms:
-60 + 15x = 10(-40 + x)
-60 + 15x = (-40 * 10 + x * 10)
-60 + 15x = (-400 + 10x)

Solving
-60 + 15x = -400 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
-60 + 15x + -10x = -400 + 10x + -10x

Combine like terms: 15x + -10x = 5x
-60 + 5x = -400 + 10x + -10x

Combine like terms: 10x + -10x = 0
-60 + 5x = -400 + 0
-60 + 5x = -400

Add '60' to each side of the equation.
-60 + 60 + 5x = -400 + 60

Combine like terms: -60 + 60 = 0
0 + 5x = -400 + 60
5x = -400 + 60

Combine like terms: -400 + 60 = -340
5x = -340

Divide each side by '5'.
x = -68

Simplifying
x = -68

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