3x-10(x+2)=7.5-7x

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Solution for 3x-10(x+2)=7.5-7x equation: 


Simplifying
3x + -10(x + 2) = 7.5 + -7x

Reorder the terms:
3x + -10(2 + x) = 7.5 + -7x
3x + (2 * -10 + x * -10) = 7.5 + -7x
3x + (-20 + -10x) = 7.5 + -7x

Reorder the terms:
-20 + 3x + -10x = 7.5 + -7x

Combine like terms: 3x + -10x = -7x
-20 + -7x = 7.5 + -7x

Add '7x' to each side of the equation.
-20 + -7x + 7x = 7.5 + -7x + 7x

Combine like terms: -7x + 7x = 0
-20 + 0 = 7.5 + -7x + 7x
-20 = 7.5 + -7x + 7x

Combine like terms: -7x + 7x = 0
-20 = 7.5 + 0
-20 = 7.5

Solving
-20 = 7.5

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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