0.50x+0.05(20-x)=0.10(19)

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Solution for 0.50x+0.05(20-x)=0.10(19) equation:


Simplifying
0.50x + 0.05(20 + -1x) = 0.10(19)
0.50x + (20 * 0.05 + -1x * 0.05) = 0.10(19)
0.50x + (1 + -0.05x) = 0.10(19)

Reorder the terms:
1 + 0.50x + -0.05x = 0.10(19)

Combine like terms: 0.50x + -0.05x = 0.45x
1 + 0.45x = 0.10(19)

Multiply 0.10 * 19
1 + 0.45x = 1.9

Solving
1 + 0.45x = 1.9

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.45x = 1.9 + -1

Combine like terms: 1 + -1 = 0
0 + 0.45x = 1.9 + -1
0.45x = 1.9 + -1

Combine like terms: 1.9 + -1 = 0.9
0.45x = 0.9

Divide each side by '0.45'.
x = 2

Simplifying
x = 2

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