3(-3x-7)=3(-6x+5)

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Solution for 3(-3x-7)=3(-6x+5) equation:


Simplifying
3(-3x + -7) = 3(-6x + 5)

Reorder the terms:
3(-7 + -3x) = 3(-6x + 5)
(-7 * 3 + -3x * 3) = 3(-6x + 5)
(-21 + -9x) = 3(-6x + 5)

Reorder the terms:
-21 + -9x = 3(5 + -6x)
-21 + -9x = (5 * 3 + -6x * 3)
-21 + -9x = (15 + -18x)

Solving
-21 + -9x = 15 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
-21 + -9x + 18x = 15 + -18x + 18x

Combine like terms: -9x + 18x = 9x
-21 + 9x = 15 + -18x + 18x

Combine like terms: -18x + 18x = 0
-21 + 9x = 15 + 0
-21 + 9x = 15

Add '21' to each side of the equation.
-21 + 21 + 9x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 9x = 15 + 21
9x = 15 + 21

Combine like terms: 15 + 21 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

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