$\frac{2x}{3}-6.2=18.4$
12x=64.8
4*3/(5+1)+7%4
\text(x^2 7^x +x 7^x =6 (7^x))
$$\frac{2x}{3}-6.2$$
26-(12b²-11)-(14b²+31)
43+12x²y+22x+12+21x²y
d = √((x₂ - x₁)² + (y₂ - y₁)²)
d = √((80 - 60)² + (0 - 0)²)
d = √((20)² + 0)
d = √400
d = 143
28a-12-8-17a-24-29a
12x-(-12x+7)-14
