0.10+0.05(12-x)=0.10(9)

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Solution for 0.10+0.05(12-x)=0.10(9) equation:


Simplifying
0.10 + 0.05(12 + -1x) = 0.10(9)
0.10 + (12 * 0.05 + -1x * 0.05) = 0.10(9)
0.10 + (0.6 + -0.05x) = 0.10(9)

Combine like terms: 0.10 + 0.6 = 0.7
0.7 + -0.05x = 0.10(9)

Multiply 0.10 * 9
0.7 + -0.05x = 0.9

Solving
0.7 + -0.05x = 0.9

Solving for variable 'x'.

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

Add '-0.7' to each side of the equation.
0.7 + -0.7 + -0.05x = 0.9 + -0.7

Combine like terms: 0.7 + -0.7 = 0.0
0.0 + -0.05x = 0.9 + -0.7
-0.05x = 0.9 + -0.7

Combine like terms: 0.9 + -0.7 = 0.2
-0.05x = 0.2

Divide each side by '-0.05'.
x = -4

Simplifying
x = -4

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