Question

c​ ) 3/4 + x * 0,5 = 6 và 3/4

Answer 1

\(\frac{3}{4}+0,5x=6\frac{3}{4}\)

\(\frac{3}{4}+0,5x=\frac{27}{4}\)

\(0,5x=6\)

\(x=12\)

Answer 2

\(\frac{3}{4}+x\cdot0,5=6\frac{3}{4}\)

\(x\cdot0,5=\frac{27}{4}-\frac{3}{4}\)

\(x\cdot0,5=6\)

\(x=6\cdot0,5\)

\(x=9\)