3((5x-8)+7)-3=18

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Solution for 3((5x-8)+7)-3=18 equation:


Simplifying
3((5x + -8) + 7) + -3 = 18

Reorder the terms:
3((-8 + 5x) + 7) + -3 = 18

Remove parenthesis around (-8 + 5x)
3(-8 + 5x + 7) + -3 = 18

Reorder the terms:
3(-8 + 7 + 5x) + -3 = 18

Combine like terms: -8 + 7 = -1
3(-1 + 5x) + -3 = 18
(-1 * 3 + 5x * 3) + -3 = 18
(-3 + 15x) + -3 = 18

Reorder the terms:
-3 + -3 + 15x = 18

Combine like terms: -3 + -3 = -6
-6 + 15x = 18

Solving
-6 + 15x = 18

Solving for variable 'x'.

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

Add '6' to each side of the equation.
-6 + 6 + 15x = 18 + 6

Combine like terms: -6 + 6 = 0
0 + 15x = 18 + 6
15x = 18 + 6

Combine like terms: 18 + 6 = 24
15x = 24

Divide each side by '15'.
x = 1.6

Simplifying
x = 1.6

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