5(X-30)+3(X-25)=345

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Solution for 5(X-30)+3(X-25)=345 equation:


Simplifying
5(X + -30) + 3(X + -25) = 345

Reorder the terms:
5(-30 + X) + 3(X + -25) = 345
(-30 * 5 + X * 5) + 3(X + -25) = 345
(-150 + 5X) + 3(X + -25) = 345

Reorder the terms:
-150 + 5X + 3(-25 + X) = 345
-150 + 5X + (-25 * 3 + X * 3) = 345
-150 + 5X + (-75 + 3X) = 345

Reorder the terms:
-150 + -75 + 5X + 3X = 345

Combine like terms: -150 + -75 = -225
-225 + 5X + 3X = 345

Combine like terms: 5X + 3X = 8X
-225 + 8X = 345

Solving
-225 + 8X = 345

Solving for variable 'X'.

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

Add '225' to each side of the equation.
-225 + 225 + 8X = 345 + 225

Combine like terms: -225 + 225 = 0
0 + 8X = 345 + 225
8X = 345 + 225

Combine like terms: 345 + 225 = 570
8X = 570

Divide each side by '8'.
X = 71.25

Simplifying
X = 71.25

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