0.8(2x+x)+3(7-4.1x)=

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Solution for 0.8(2x+x)+3(7-4.1x)= equation:


Simplifying
0.8(2x + x) + 3(7 + -4.1x) = 0

Combine like terms: 2x + x = 3x
0.8(3x) + 3(7 + -4.1x) = 0

Remove parenthesis around (3x)
0.8 * 3x + 3(7 + -4.1x) = 0

Multiply 0.8 * 3
2.4x + 3(7 + -4.1x) = 0
2.4x + (7 * 3 + -4.1x * 3) = 0
2.4x + (21 + -12.3x) = 0

Reorder the terms:
21 + 2.4x + -12.3x = 0

Combine like terms: 2.4x + -12.3x = -9.9x
21 + -9.9x = 0

Solving
21 + -9.9x = 0

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + -9.9x = 0 + -21

Combine like terms: 21 + -21 = 0
0 + -9.9x = 0 + -21
-9.9x = 0 + -21

Combine like terms: 0 + -21 = -21
-9.9x = -21

Divide each side by '-9.9'.
x = 2.121212121

Simplifying
x = 2.121212121

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