4(x+-7)+12=30

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Solution for 4(x+-7)+12=30 equation: 


Simplifying
4(x + -7) + 12 = 30

Reorder the terms:
4(-7 + x) + 12 = 30
(-7 * 4 + x * 4) + 12 = 30
(-28 + 4x) + 12 = 30

Reorder the terms:
-28 + 12 + 4x = 30

Combine like terms: -28 + 12 = -16
-16 + 4x = 30

Solving
-16 + 4x = 30

Solving for variable 'x'.

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

Add '16' to each side of the equation.
-16 + 16 + 4x = 30 + 16

Combine like terms: -16 + 16 = 0
0 + 4x = 30 + 16
4x = 30 + 16

Combine like terms: 30 + 16 = 46
4x = 46

Divide each side by '4'.
x = 11.5

Simplifying
x = 11.5

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