5x+4(4x-5)=169

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Solution for 5x+4(4x-5)=169 equation:


Simplifying
5x + 4(4x + -5) = 169

Reorder the terms:
5x + 4(-5 + 4x) = 169
5x + (-5 * 4 + 4x * 4) = 169
5x + (-20 + 16x) = 169

Reorder the terms:
-20 + 5x + 16x = 169

Combine like terms: 5x + 16x = 21x
-20 + 21x = 169

Solving
-20 + 21x = 169

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 + 21x = 169 + 20

Combine like terms: -20 + 20 = 0
0 + 21x = 169 + 20
21x = 169 + 20

Combine like terms: 169 + 20 = 189
21x = 189

Divide each side by '21'.
x = 9

Simplifying
x = 9

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