Question

resolva as equacoes: a) 2x+3/5=12/4-30/18x b) 5/4x-(3/2)^2=12/8+12/15x

Answer 1

B)5/4×-(3/2)^2=12/8+12/15×
2×+3/5=3/2+4/5×
10×2×+10×3/5=10×3/2+10×4/5×
20×+2×3=5×3+2×4×
20×+6=15+8×
20×-8×=15-6
12×=9
×=9/12
×=3/4 ou X=0,75