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

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


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

Reorder the terms:
3(7 + x) = 6(-3 + 7x)
(7 * 3 + x * 3) = 6(-3 + 7x)
(21 + 3x) = 6(-3 + 7x)
21 + 3x = (-3 * 6 + 7x * 6)
21 + 3x = (-18 + 42x)

Solving
21 + 3x = -18 + 42x

Solving for variable 'x'.

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

Add '-42x' to each side of the equation.
21 + 3x + -42x = -18 + 42x + -42x

Combine like terms: 3x + -42x = -39x
21 + -39x = -18 + 42x + -42x

Combine like terms: 42x + -42x = 0
21 + -39x = -18 + 0
21 + -39x = -18

Add '-21' to each side of the equation.
21 + -21 + -39x = -18 + -21

Combine like terms: 21 + -21 = 0
0 + -39x = -18 + -21
-39x = -18 + -21

Combine like terms: -18 + -21 = -39
-39x = -39

Divide each side by '-39'.
x = 1

Simplifying
x = 1

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