3(x+6)-1=7x+12

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Solution for 3(x+6)-1=7x+12 equation:


Simplifying
3(x + 6) + -1 = 7x + 12

Reorder the terms:
3(6 + x) + -1 = 7x + 12
(6 * 3 + x * 3) + -1 = 7x + 12
(18 + 3x) + -1 = 7x + 12

Reorder the terms:
18 + -1 + 3x = 7x + 12

Combine like terms: 18 + -1 = 17
17 + 3x = 7x + 12

Reorder the terms:
17 + 3x = 12 + 7x

Solving
17 + 3x = 12 + 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.
17 + 3x + -7x = 12 + 7x + -7x

Combine like terms: 3x + -7x = -4x
17 + -4x = 12 + 7x + -7x

Combine like terms: 7x + -7x = 0
17 + -4x = 12 + 0
17 + -4x = 12

Add '-17' to each side of the equation.
17 + -17 + -4x = 12 + -17

Combine like terms: 17 + -17 = 0
0 + -4x = 12 + -17
-4x = 12 + -17

Combine like terms: 12 + -17 = -5
-4x = -5

Divide each side by '-4'.
x = 1.25

Simplifying
x = 1.25

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