18-6(5x-8)=21

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Solution for 18-6(5x-8)=21 equation:


Simplifying
18 + -6(5x + -8) = 21

Reorder the terms:
18 + -6(-8 + 5x) = 21
18 + (-8 * -6 + 5x * -6) = 21
18 + (48 + -30x) = 21

Combine like terms: 18 + 48 = 66
66 + -30x = 21

Solving
66 + -30x = 21

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + -30x = 21 + -66

Combine like terms: 66 + -66 = 0
0 + -30x = 21 + -66
-30x = 21 + -66

Combine like terms: 21 + -66 = -45
-30x = -45

Divide each side by '-30'.
x = 1.5

Simplifying
x = 1.5

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