3(2x-5)-3(4x+5x)=-36

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Solution for 3(2x-5)-3(4x+5x)=-36 equation:


Simplifying
3(2x + -5) + -3(4x + 5x) = -36

Reorder the terms:
3(-5 + 2x) + -3(4x + 5x) = -36
(-5 * 3 + 2x * 3) + -3(4x + 5x) = -36
(-15 + 6x) + -3(4x + 5x) = -36

Combine like terms: 4x + 5x = 9x
-15 + 6x + -3(9x) = -36

Remove parenthesis around (9x)
-15 + 6x + -3 * 9x = -36

Multiply -3 * 9
-15 + 6x + -27x = -36

Combine like terms: 6x + -27x = -21x
-15 + -21x = -36

Solving
-15 + -21x = -36

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -21x = -36 + 15

Combine like terms: -15 + 15 = 0
0 + -21x = -36 + 15
-21x = -36 + 15

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

Divide each side by '-21'.
x = 1

Simplifying
x = 1

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