75=7x+x+3

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Solution for 75=7x+x+3 equation:


Simplifying
75 = 7x + x + 3

Reorder the terms:
75 = 3 + 7x + x

Combine like terms: 7x + x = 8x
75 = 3 + 8x

Solving
75 = 3 + 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
75 + -8x = 3 + 8x + -8x

Combine like terms: 8x + -8x = 0
75 + -8x = 3 + 0
75 + -8x = 3

Add '-75' to each side of the equation.
75 + -75 + -8x = 3 + -75

Combine like terms: 75 + -75 = 0
0 + -8x = 3 + -75
-8x = 3 + -75

Combine like terms: 3 + -75 = -72
-8x = -72

Divide each side by '-8'.
x = 9

Simplifying
x = 9

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