3x+4(5x-9)=125

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Solution for 3x+4(5x-9)=125 equation:


Simplifying
3x + 4(5x + -9) = 125

Reorder the terms:
3x + 4(-9 + 5x) = 125
3x + (-9 * 4 + 5x * 4) = 125
3x + (-36 + 20x) = 125

Reorder the terms:
-36 + 3x + 20x = 125

Combine like terms: 3x + 20x = 23x
-36 + 23x = 125

Solving
-36 + 23x = 125

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 + 23x = 125 + 36

Combine like terms: -36 + 36 = 0
0 + 23x = 125 + 36
23x = 125 + 36

Combine like terms: 125 + 36 = 161
23x = 161

Divide each side by '23'.
x = 7

Simplifying
x = 7

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