.33x+.49(18-x)=6.90

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Solution for .33x+.49(18-x)=6.90 equation:


Simplifying
0.33x + 0.49(18 + -1x) = 6.90
0.33x + (18 * 0.49 + -1x * 0.49) = 6.90
0.33x + (8.82 + -0.49x) = 6.90

Reorder the terms:
8.82 + 0.33x + -0.49x = 6.90

Combine like terms: 0.33x + -0.49x = -0.16x
8.82 + -0.16x = 6.90

Solving
8.82 + -0.16x = 6.90

Solving for variable 'x'.

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

Add '-8.82' to each side of the equation.
8.82 + -8.82 + -0.16x = 6.90 + -8.82

Combine like terms: 8.82 + -8.82 = 0.00
0.00 + -0.16x = 6.90 + -8.82
-0.16x = 6.90 + -8.82

Combine like terms: 6.90 + -8.82 = -1.92
-0.16x = -1.92

Divide each side by '-0.16'.
x = 12

Simplifying
x = 12

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