30x-(7+15x)=12x+8

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Solution for 30x-(7+15x)=12x+8 equation:


Simplifying
30x + -1(7 + 15x) = 12x + 8
30x + (7 * -1 + 15x * -1) = 12x + 8
30x + (-7 + -15x) = 12x + 8

Reorder the terms:
-7 + 30x + -15x = 12x + 8

Combine like terms: 30x + -15x = 15x
-7 + 15x = 12x + 8

Reorder the terms:
-7 + 15x = 8 + 12x

Solving
-7 + 15x = 8 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-7 + 15x + -12x = 8 + 12x + -12x

Combine like terms: 15x + -12x = 3x
-7 + 3x = 8 + 12x + -12x

Combine like terms: 12x + -12x = 0
-7 + 3x = 8 + 0
-7 + 3x = 8

Add '7' to each side of the equation.
-7 + 7 + 3x = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 3x = 8 + 7
3x = 8 + 7

Combine like terms: 8 + 7 = 15
3x = 15

Divide each side by '3'.
x = 5

Simplifying
x = 5

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