Answer:
distribute parenthesis
Step-by-step explanation:
6(2x + 1) = 4x - 5 ← distribute parenthesis on left side
12x + 6 = 4x - 5 ( subtract 4x from both sides )
8x + 6 = - 5 ( subtract 6 from both sides )
8x = - 11 ( divide both sides by 8 )
x = - 
Answer:
10 m
Step-by-step explanation:
15m - 5m = 10 m
both numbers have m which are alike
84÷2.8 =3.0 that's what I did when I learned it