9(12x-40)=2(21x-20)

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Solution for 9(12x-40)=2(21x-20) equation:


Simplifying
9(12x + -40) = 2(21x + -20)

Reorder the terms:
9(-40 + 12x) = 2(21x + -20)
(-40 * 9 + 12x * 9) = 2(21x + -20)
(-360 + 108x) = 2(21x + -20)

Reorder the terms:
-360 + 108x = 2(-20 + 21x)
-360 + 108x = (-20 * 2 + 21x * 2)
-360 + 108x = (-40 + 42x)

Solving
-360 + 108x = -40 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
-360 + 108x + -42x = -40 + 42x + -42x

Combine like terms: 108x + -42x = 66x
-360 + 66x = -40 + 42x + -42x

Combine like terms: 42x + -42x = 0
-360 + 66x = -40 + 0
-360 + 66x = -40

Add '360' to each side of the equation.
-360 + 360 + 66x = -40 + 360

Combine like terms: -360 + 360 = 0
0 + 66x = -40 + 360
66x = -40 + 360

Combine like terms: -40 + 360 = 320
66x = 320

Divide each side by '66'.
x = 4.848484848

Simplifying
x = 4.848484848

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