5(2X-5)-3=21

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Solution for 5(2X-5)-3=21 equation:


Simplifying
5(2X + -5) + -3 = 21

Reorder the terms:
5(-5 + 2X) + -3 = 21
(-5 * 5 + 2X * 5) + -3 = 21
(-25 + 10X) + -3 = 21

Reorder the terms:
-25 + -3 + 10X = 21

Combine like terms: -25 + -3 = -28
-28 + 10X = 21

Solving
-28 + 10X = 21

Solving for variable 'X'.

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

Add '28' to each side of the equation.
-28 + 28 + 10X = 21 + 28

Combine like terms: -28 + 28 = 0
0 + 10X = 21 + 28
10X = 21 + 28

Combine like terms: 21 + 28 = 49
10X = 49

Divide each side by '10'.
X = 4.9

Simplifying
X = 4.9

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