4(5-x)-2.1(6x)=4.9

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Solution for 4(5-x)-2.1(6x)=4.9 equation:


Simplifying
4(5 + -1x) + -2.1(6x) = 4.9
(5 * 4 + -1x * 4) + -2.1(6x) = 4.9
(20 + -4x) + -2.1(6x) = 4.9

Remove parenthesis around (6x)
20 + -4x + -2.1 * 6x = 4.9

Multiply -2.1 * 6
20 + -4x + -12.6x = 4.9

Combine like terms: -4x + -12.6x = -16.6x
20 + -16.6x = 4.9

Solving
20 + -16.6x = 4.9

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + -20 + -16.6x = 4.9 + -20

Combine like terms: 20 + -20 = 0
0 + -16.6x = 4.9 + -20
-16.6x = 4.9 + -20

Combine like terms: 4.9 + -20 = -15.1
-16.6x = -15.1

Divide each side by '-16.6'.
x = 0.9096385542

Simplifying
x = 0.9096385542

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