-9+12=7x+28

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Solution for -9+12=7x+28 equation:


Simplifying
-9 + 12 = 7x + 28

Combine like terms: -9 + 12 = 3
3 = 7x + 28

Reorder the terms:
3 = 28 + 7x

Solving
3 = 28 + 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.
3 + -7x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
3 + -7x = 28 + 0
3 + -7x = 28

Add '-3' to each side of the equation.
3 + -3 + -7x = 28 + -3

Combine like terms: 3 + -3 = 0
0 + -7x = 28 + -3
-7x = 28 + -3

Combine like terms: 28 + -3 = 25
-7x = 25

Divide each side by '-7'.
x = -3.571428571

Simplifying
x = -3.571428571

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