5(x-1)+15=20

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Solution for 5(x-1)+15=20 equation:


Simplifying
5(x + -1) + 15 = 20

Reorder the terms:
5(-1 + x) + 15 = 20
(-1 * 5 + x * 5) + 15 = 20
(-5 + 5x) + 15 = 20

Reorder the terms:
-5 + 15 + 5x = 20

Combine like terms: -5 + 15 = 10
10 + 5x = 20

Solving
10 + 5x = 20

Solving for variable 'x'.

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

Add '-10' to each side of the equation.
10 + -10 + 5x = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 5x = 20 + -10
5x = 20 + -10

Combine like terms: 20 + -10 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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