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

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


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

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

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

Solving
20 + -4x = -4.9 + 12.6x

Solving for variable 'x'.

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

Add '-12.6x' to each side of the equation.
20 + -4x + -12.6x = -4.9 + 12.6x + -12.6x

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

Combine like terms: 12.6x + -12.6x = 0.0
20 + -16.6x = -4.9 + 0.0
20 + -16.6x = -4.9

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 = -24.9
-16.6x = -24.9

Divide each side by '-16.6'.
x = 1.5

Simplifying
x = 1.5

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