20x+15x+10(x-1)+15(x-1)=245

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Solution for 20x+15x+10(x-1)+15(x-1)=245 equation:


Simplifying
20x + 15x + 10(x + -1) + 15(x + -1) = 245

Reorder the terms:
20x + 15x + 10(-1 + x) + 15(x + -1) = 245
20x + 15x + (-1 * 10 + x * 10) + 15(x + -1) = 245
20x + 15x + (-10 + 10x) + 15(x + -1) = 245

Reorder the terms:
20x + 15x + -10 + 10x + 15(-1 + x) = 245
20x + 15x + -10 + 10x + (-1 * 15 + x * 15) = 245
20x + 15x + -10 + 10x + (-15 + 15x) = 245

Reorder the terms:
-10 + -15 + 20x + 15x + 10x + 15x = 245

Combine like terms: -10 + -15 = -25
-25 + 20x + 15x + 10x + 15x = 245

Combine like terms: 20x + 15x = 35x
-25 + 35x + 10x + 15x = 245

Combine like terms: 35x + 10x = 45x
-25 + 45x + 15x = 245

Combine like terms: 45x + 15x = 60x
-25 + 60x = 245

Solving
-25 + 60x = 245

Solving for variable 'x'.

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

Add '25' to each side of the equation.
-25 + 25 + 60x = 245 + 25

Combine like terms: -25 + 25 = 0
0 + 60x = 245 + 25
60x = 245 + 25

Combine like terms: 245 + 25 = 270
60x = 270

Divide each side by '60'.
x = 4.5

Simplifying
x = 4.5

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