8x+7(3x+-20)=16

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Solution for 8x+7(3x+-20)=16 equation: 


Simplifying
8x + 7(3x + -20) = 16

Reorder the terms:
8x + 7(-20 + 3x) = 16
8x + (-20 * 7 + 3x * 7) = 16
8x + (-140 + 21x) = 16

Reorder the terms:
-140 + 8x + 21x = 16

Combine like terms: 8x + 21x = 29x
-140 + 29x = 16

Solving
-140 + 29x = 16

Solving for variable 'x'.

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

Add '140' to each side of the equation.
-140 + 140 + 29x = 16 + 140

Combine like terms: -140 + 140 = 0
0 + 29x = 16 + 140
29x = 16 + 140

Combine like terms: 16 + 140 = 156
29x = 156

Divide each side by '29'.
x = 5.379310345

Simplifying
x = 5.379310345

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