5x+4(5x-9)=139

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Solution for 5x+4(5x-9)=139 equation:


Simplifying
5x + 4(5x + -9) = 139

Reorder the terms:
5x + 4(-9 + 5x) = 139
5x + (-9 * 4 + 5x * 4) = 139
5x + (-36 + 20x) = 139

Reorder the terms:
-36 + 5x + 20x = 139

Combine like terms: 5x + 20x = 25x
-36 + 25x = 139

Solving
-36 + 25x = 139

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 25x = 139 + 36

Combine like terms: -36 + 36 = 0
0 + 25x = 139 + 36
25x = 139 + 36

Combine like terms: 139 + 36 = 175
25x = 175

Divide each side by '25'.
x = 7

Simplifying
x = 7

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