15x+10x+15(x-1)+10(x-1)=225

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Solution for 15x+10x+15(x-1)+10(x-1)=225 equation:


Simplifying
15x + 10x + 15(x + -1) + 10(x + -1) = 225

Reorder the terms:
15x + 10x + 15(-1 + x) + 10(x + -1) = 225
15x + 10x + (-1 * 15 + x * 15) + 10(x + -1) = 225
15x + 10x + (-15 + 15x) + 10(x + -1) = 225

Reorder the terms:
15x + 10x + -15 + 15x + 10(-1 + x) = 225
15x + 10x + -15 + 15x + (-1 * 10 + x * 10) = 225
15x + 10x + -15 + 15x + (-10 + 10x) = 225

Reorder the terms:
-15 + -10 + 15x + 10x + 15x + 10x = 225

Combine like terms: -15 + -10 = -25
-25 + 15x + 10x + 15x + 10x = 225

Combine like terms: 15x + 10x = 25x
-25 + 25x + 15x + 10x = 225

Combine like terms: 25x + 15x = 40x
-25 + 40x + 10x = 225

Combine like terms: 40x + 10x = 50x
-25 + 50x = 225

Solving
-25 + 50x = 225

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 + 50x = 225 + 25

Combine like terms: -25 + 25 = 0
0 + 50x = 225 + 25
50x = 225 + 25

Combine like terms: 225 + 25 = 250
50x = 250

Divide each side by '50'.
x = 5

Simplifying
x = 5

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