-7+5x+3x=-103

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Solution for -7+5x+3x=-103 equation: 


Simplifying
-7 + 5x + 3x = -103

Combine like terms: 5x + 3x = 8x
-7 + 8x = -103

Solving
-7 + 8x = -103

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 8x = -103 + 7

Combine like terms: -7 + 7 = 0
0 + 8x = -103 + 7
8x = -103 + 7

Combine like terms: -103 + 7 = -96
8x = -96

Divide each side by '8'.
x = -12

Simplifying
x = -12

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