42-72=30x+48

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Solution for 42-72=30x+48 equation:


Simplifying
42 + -72 = 30x + 48

Combine like terms: 42 + -72 = -30
-30 = 30x + 48

Reorder the terms:
-30 = 48 + 30x

Solving
-30 = 48 + 30x

Solving for variable 'x'.

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

Add '-30x' to each side of the equation.
-30 + -30x = 48 + 30x + -30x

Combine like terms: 30x + -30x = 0
-30 + -30x = 48 + 0
-30 + -30x = 48

Add '30' to each side of the equation.
-30 + 30 + -30x = 48 + 30

Combine like terms: -30 + 30 = 0
0 + -30x = 48 + 30
-30x = 48 + 30

Combine like terms: 48 + 30 = 78
-30x = 78

Divide each side by '-30'.
x = -2.6

Simplifying
x = -2.6

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