18+3(3+5)=15x+63

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Solution for 18+3(3+5)=15x+63 equation: 


Simplifying
18 + 3(3 + 5) = 15x + 63

Combine like terms: 3 + 5 = 8
18 + 3(8) = 15x + 63

Multiply 3 * 8
18 + 24 = 15x + 63

Combine like terms: 18 + 24 = 42
42 = 15x + 63

Reorder the terms:
42 = 63 + 15x

Solving
42 = 63 + 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
42 + -15x = 63 + 15x + -15x

Combine like terms: 15x + -15x = 0
42 + -15x = 63 + 0
42 + -15x = 63

Add '-42' to each side of the equation.
42 + -42 + -15x = 63 + -42

Combine like terms: 42 + -42 = 0
0 + -15x = 63 + -42
-15x = 63 + -42

Combine like terms: 63 + -42 = 21
-15x = 21

Divide each side by '-15'.
x = -1.4

Simplifying
x = -1.4

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