Question

2-3.5a=1.5a,13-0.6c=0.2-0.5c

Answer 1

$1)2-3.5a=1.5a\\-3.5a-1.5a=-2\\5a=2\\a= \frac{2}{5} \\a=0.4 \\ \\ 2)13-0.6c=0.2-0.5c\\-0.6c+0.5c=0.2-13\\-0.1c=-12.8\\c=128$