8(5x-4)=21

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Solution for 8(5x-4)=21 equation:


Simplifying
8(5x + -4) = 21

Reorder the terms:
8(-4 + 5x) = 21
(-4 * 8 + 5x * 8) = 21
(-32 + 40x) = 21

Solving
-32 + 40x = 21

Solving for variable 'x'.

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

Add '32' to each side of the equation.
-32 + 32 + 40x = 21 + 32

Combine like terms: -32 + 32 = 0
0 + 40x = 21 + 32
40x = 21 + 32

Combine like terms: 21 + 32 = 53
40x = 53

Divide each side by '40'.
x = 1.325

Simplifying
x = 1.325

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