Answer:
or
Step-by-step explanation:
3x-14+2(3x-6)+90=180
3x-14+6x-12=90
9x-26=90
9x=116
x=116/9 or 12 8/9
c.) 36cm
:))
5/3
19x=3+4(x+6)-2
19x=3+4x+24-2
19x-4x=3+24-2
15x=27-2
15x=25
x=25/15
simplify
x=5/3
{-1, 0,5}