30x+21=7x-48

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Solution for 30x+21=7x-48 equation:


Simplifying
30x + 21 = 7x + -48

Reorder the terms:
21 + 30x = 7x + -48

Reorder the terms:
21 + 30x = -48 + 7x

Solving
21 + 30x = -48 + 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.
21 + 30x + -7x = -48 + 7x + -7x

Combine like terms: 30x + -7x = 23x
21 + 23x = -48 + 7x + -7x

Combine like terms: 7x + -7x = 0
21 + 23x = -48 + 0
21 + 23x = -48

Add '-21' to each side of the equation.
21 + -21 + 23x = -48 + -21

Combine like terms: 21 + -21 = 0
0 + 23x = -48 + -21
23x = -48 + -21

Combine like terms: -48 + -21 = -69
23x = -69

Divide each side by '23'.
x = -3

Simplifying
x = -3

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