10x+21(x-5)=329

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Solution for 10x+21(x-5)=329 equation:


Simplifying
10x + 21(x + -5) = 329

Reorder the terms:
10x + 21(-5 + x) = 329
10x + (-5 * 21 + x * 21) = 329
10x + (-105 + 21x) = 329

Reorder the terms:
-105 + 10x + 21x = 329

Combine like terms: 10x + 21x = 31x
-105 + 31x = 329

Solving
-105 + 31x = 329

Solving for variable 'x'.

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

Add '105' to each side of the equation.
-105 + 105 + 31x = 329 + 105

Combine like terms: -105 + 105 = 0
0 + 31x = 329 + 105
31x = 329 + 105

Combine like terms: 329 + 105 = 434
31x = 434

Divide each side by '31'.
x = 14

Simplifying
x = 14

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