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8x-\left(-2\left(4\times 4+1\right)\right)=2\times 8+3
Multiply both sides of the equation by 8, the least common multiple of 4,8.
8x-\left(-2\left(16+1\right)\right)=2\times 8+3
Multiply 4 and 4 to get 16.
8x-\left(-2\times 17\right)=2\times 8+3
Add 16 and 1 to get 17.
8x-\left(-34\right)=2\times 8+3
Multiply -2 and 17 to get -34.
8x+34=2\times 8+3
The opposite of -34 is 34.
8x+34=16+3
Multiply 2 and 8 to get 16.
8x+34=19
Add 16 and 3 to get 19.
8x=19-34
Subtract 34 from both sides.
8x=-15
Subtract 34 from 19 to get -15.
x=\frac{-15}{8}
Divide both sides by 8.
x=-\frac{15}{8}
Fraction \frac{-15}{8} can be rewritten as -\frac{15}{8} by extracting the negative sign.