3x+15*(x-1)=x-3

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Solution for 3x+15*(x-1)=x-3 equation:


Simplifying
3x + 15(x + -1) = x + -3

Reorder the terms:
3x + 15(-1 + x) = x + -3
3x + (-1 * 15 + x * 15) = x + -3
3x + (-15 + 15x) = x + -3

Reorder the terms:
-15 + 3x + 15x = x + -3

Combine like terms: 3x + 15x = 18x
-15 + 18x = x + -3

Reorder the terms:
-15 + 18x = -3 + x

Solving
-15 + 18x = -3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-15 + 18x + -1x = -3 + x + -1x

Combine like terms: 18x + -1x = 17x
-15 + 17x = -3 + x + -1x

Combine like terms: x + -1x = 0
-15 + 17x = -3 + 0
-15 + 17x = -3

Add '15' to each side of the equation.
-15 + 15 + 17x = -3 + 15

Combine like terms: -15 + 15 = 0
0 + 17x = -3 + 15
17x = -3 + 15

Combine like terms: -3 + 15 = 12
17x = 12

Divide each side by '17'.
x = 0.7058823529

Simplifying
x = 0.7058823529

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