75-3x=7x+15

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Solution for 75-3x=7x+15 equation:


Simplifying
75 + -3x = 7x + 15

Reorder the terms:
75 + -3x = 15 + 7x

Solving
75 + -3x = 15 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
75 + -3x + -7x = 15 + 7x + -7x

Combine like terms: -3x + -7x = -10x
75 + -10x = 15 + 7x + -7x

Combine like terms: 7x + -7x = 0
75 + -10x = 15 + 0
75 + -10x = 15

Add '-75' to each side of the equation.
75 + -75 + -10x = 15 + -75

Combine like terms: 75 + -75 = 0
0 + -10x = 15 + -75
-10x = 15 + -75

Combine like terms: 15 + -75 = -60
-10x = -60

Divide each side by '-10'.
x = 6

Simplifying
x = 6

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