Question

how do you write the solution using interval notation 4z+6.1 is greater than or equal to 43.7 -4z

Answer 1

4z+6.1≥43.7-4z
add 4z on both sides  -   8z+6.1≥43.7
subtract 6.1 on both sides   -    8z≥37.6
divide by 8 on both sides    -    v≥4.7