3(3+5)-8(x-3)=20

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Solution for 3(3+5)-8(x-3)=20 equation: 


Simplifying
3(3 + 5) + -8(x + -3) = 20

Combine like terms: 3 + 5 = 8
3(8) + -8(x + -3) = 20

Multiply 3 * 8
24 + -8(x + -3) = 20

Reorder the terms:
24 + -8(-3 + x) = 20
24 + (-3 * -8 + x * -8) = 20
24 + (24 + -8x) = 20

Combine like terms: 24 + 24 = 48
48 + -8x = 20

Solving
48 + -8x = 20

Solving for variable 'x'.

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

Add '-48' to each side of the equation.
48 + -48 + -8x = 20 + -48

Combine like terms: 48 + -48 = 0
0 + -8x = 20 + -48
-8x = 20 + -48

Combine like terms: 20 + -48 = -28
-8x = -28

Divide each side by '-8'.
x = 3.5

Simplifying
x = 3.5

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