3x-30=6(x-7)

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Solution for 3x-30=6(x-7) equation:


Simplifying
3x + -30 = 6(x + -7)

Reorder the terms:
-30 + 3x = 6(x + -7)

Reorder the terms:
-30 + 3x = 6(-7 + x)
-30 + 3x = (-7 * 6 + x * 6)
-30 + 3x = (-42 + 6x)

Solving
-30 + 3x = -42 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-30 + 3x + -6x = -42 + 6x + -6x

Combine like terms: 3x + -6x = -3x
-30 + -3x = -42 + 6x + -6x

Combine like terms: 6x + -6x = 0
-30 + -3x = -42 + 0
-30 + -3x = -42

Add '30' to each side of the equation.
-30 + 30 + -3x = -42 + 30

Combine like terms: -30 + 30 = 0
0 + -3x = -42 + 30
-3x = -42 + 30

Combine like terms: -42 + 30 = -12
-3x = -12

Divide each side by '-3'.
x = 4

Simplifying
x = 4

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