20(7-2x)-3(7x+12)=-109

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Solution for 20(7-2x)-3(7x+12)=-109 equation:


Simplifying
20(7 + -2x) + -3(7x + 12) = -109
(7 * 20 + -2x * 20) + -3(7x + 12) = -109
(140 + -40x) + -3(7x + 12) = -109

Reorder the terms:
140 + -40x + -3(12 + 7x) = -109
140 + -40x + (12 * -3 + 7x * -3) = -109
140 + -40x + (-36 + -21x) = -109

Reorder the terms:
140 + -36 + -40x + -21x = -109

Combine like terms: 140 + -36 = 104
104 + -40x + -21x = -109

Combine like terms: -40x + -21x = -61x
104 + -61x = -109

Solving
104 + -61x = -109

Solving for variable 'x'.

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

Add '-104' to each side of the equation.
104 + -104 + -61x = -109 + -104

Combine like terms: 104 + -104 = 0
0 + -61x = -109 + -104
-61x = -109 + -104

Combine like terms: -109 + -104 = -213
-61x = -213

Divide each side by '-61'.
x = 3.491803279

Simplifying
x = 3.491803279

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