15+8=x(5+3)

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Solution for 15+8=x(5+3) equation:


Simplifying
15 + 8 = x(5 + 3)

Combine like terms: 15 + 8 = 23
23 = x(5 + 3)

Combine like terms: 5 + 3 = 8
23 = x(8)

Reorder the terms for easier multiplication:
23 = 8x

Solving
23 = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
23 + -8x = 8x + -8x

Combine like terms: 8x + -8x = 0
23 + -8x = 0

Add '-23' to each side of the equation.
23 + -23 + -8x = 0 + -23

Combine like terms: 23 + -23 = 0
0 + -8x = 0 + -23
-8x = 0 + -23

Combine like terms: 0 + -23 = -23
-8x = -23

Divide each side by '-8'.
x = 2.875

Simplifying
x = 2.875

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