3x+5x-20=189

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Solution for 3x+5x-20=189 equation:


Simplifying
3x + 5x + -20 = 189

Reorder the terms:
-20 + 3x + 5x = 189

Combine like terms: 3x + 5x = 8x
-20 + 8x = 189

Solving
-20 + 8x = 189

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 + 8x = 189 + 20

Combine like terms: -20 + 20 = 0
0 + 8x = 189 + 20
8x = 189 + 20

Combine like terms: 189 + 20 = 209
8x = 209

Divide each side by '8'.
x = 26.125

Simplifying
x = 26.125

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