148=9x-13+12x-28

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Solution for 148=9x-13+12x-28 equation:


Simplifying
148 = 9x + -13 + 12x + -28

Reorder the terms:
148 = -13 + -28 + 9x + 12x

Combine like terms: -13 + -28 = -41
148 = -41 + 9x + 12x

Combine like terms: 9x + 12x = 21x
148 = -41 + 21x

Solving
148 = -41 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
148 + -21x = -41 + 21x + -21x

Combine like terms: 21x + -21x = 0
148 + -21x = -41 + 0
148 + -21x = -41

Add '-148' to each side of the equation.
148 + -148 + -21x = -41 + -148

Combine like terms: 148 + -148 = 0
0 + -21x = -41 + -148
-21x = -41 + -148

Combine like terms: -41 + -148 = -189
-21x = -189

Divide each side by '-21'.
x = 9

Simplifying
x = 9

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