9=6+0.30(x-40)

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Solution for 9=6+0.30(x-40) equation:


Simplifying
9 = 6 + 0.30(x + -40)

Reorder the terms:
9 = 6 + 0.30(-40 + x)
9 = 6 + (-40 * 0.30 + x * 0.30)
9 = 6 + (-12 + 0.30x)

Combine like terms: 6 + -12 = -6
9 = -6 + 0.30x

Solving
9 = -6 + 0.30x

Solving for variable 'x'.

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

Add '-0.30x' to each side of the equation.
9 + -0.30x = -6 + 0.30x + -0.30x

Combine like terms: 0.30x + -0.30x = 0.00
9 + -0.30x = -6 + 0.00
9 + -0.30x = -6

Add '-9' to each side of the equation.
9 + -9 + -0.30x = -6 + -9

Combine like terms: 9 + -9 = 0
0 + -0.30x = -6 + -9
-0.30x = -6 + -9

Combine like terms: -6 + -9 = -15
-0.30x = -15

Divide each side by '-0.30'.
x = 50

Simplifying
x = 50

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