3x+21-7=6(4x+7)

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Solution for 3x+21-7=6(4x+7) equation:


Simplifying
3x + 21 + -7 = 6(4x + 7)

Reorder the terms:
21 + -7 + 3x = 6(4x + 7)

Combine like terms: 21 + -7 = 14
14 + 3x = 6(4x + 7)

Reorder the terms:
14 + 3x = 6(7 + 4x)
14 + 3x = (7 * 6 + 4x * 6)
14 + 3x = (42 + 24x)

Solving
14 + 3x = 42 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
14 + 3x + -24x = 42 + 24x + -24x

Combine like terms: 3x + -24x = -21x
14 + -21x = 42 + 24x + -24x

Combine like terms: 24x + -24x = 0
14 + -21x = 42 + 0
14 + -21x = 42

Add '-14' to each side of the equation.
14 + -14 + -21x = 42 + -14

Combine like terms: 14 + -14 = 0
0 + -21x = 42 + -14
-21x = 42 + -14

Combine like terms: 42 + -14 = 28
-21x = 28

Divide each side by '-21'.
x = -1.333333333

Simplifying
x = -1.333333333

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