.15(x-4)=9.9-.3(x-1)

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Solution for .15(x-4)=9.9-.3(x-1) equation:


Simplifying
0.15(x + -4) = 9.9 + -0.3(x + -1)

Reorder the terms:
0.15(-4 + x) = 9.9 + -0.3(x + -1)
(-4 * 0.15 + x * 0.15) = 9.9 + -0.3(x + -1)
(-0.6 + 0.15x) = 9.9 + -0.3(x + -1)

Reorder the terms:
-0.6 + 0.15x = 9.9 + -0.3(-1 + x)
-0.6 + 0.15x = 9.9 + (-1 * -0.3 + x * -0.3)
-0.6 + 0.15x = 9.9 + (0.3 + -0.3x)

Combine like terms: 9.9 + 0.3 = 10.2
-0.6 + 0.15x = 10.2 + -0.3x

Solving
-0.6 + 0.15x = 10.2 + -0.3x

Solving for variable 'x'.

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

Add '0.3x' to each side of the equation.
-0.6 + 0.15x + 0.3x = 10.2 + -0.3x + 0.3x

Combine like terms: 0.15x + 0.3x = 0.45x
-0.6 + 0.45x = 10.2 + -0.3x + 0.3x

Combine like terms: -0.3x + 0.3x = 0.0
-0.6 + 0.45x = 10.2 + 0.0
-0.6 + 0.45x = 10.2

Add '0.6' to each side of the equation.
-0.6 + 0.6 + 0.45x = 10.2 + 0.6

Combine like terms: -0.6 + 0.6 = 0.0
0.0 + 0.45x = 10.2 + 0.6
0.45x = 10.2 + 0.6

Combine like terms: 10.2 + 0.6 = 10.8
0.45x = 10.8

Divide each side by '0.45'.
x = 24

Simplifying
x = 24

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