3X-15(8+2)=90-15+30

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Solution for 3X-15(8+2)=90-15+30 equation: 


Simplifying
3X + -15(8 + 2) = 90 + -15 + 30

Combine like terms: 8 + 2 = 10
3X + -15(10) = 90 + -15 + 30

Multiply -15 * 10
3X + -150 = 90 + -15 + 30

Reorder the terms:
-150 + 3X = 90 + -15 + 30

Combine like terms: 90 + -15 = 75
-150 + 3X = 75 + 30

Combine like terms: 75 + 30 = 105
-150 + 3X = 105

Solving
-150 + 3X = 105

Solving for variable 'X'.

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

Add '150' to each side of the equation.
-150 + 150 + 3X = 105 + 150

Combine like terms: -150 + 150 = 0
0 + 3X = 105 + 150
3X = 105 + 150

Combine like terms: 105 + 150 = 255
3X = 255

Divide each side by '3'.
X = 85

Simplifying
X = 85

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