Question 491318
>/= this is representing the signal of greater or equal here but isn't signal exactly it should be this > with a underline in down ok
3x+7 >/= 4 and 2x-5 >/= -1
now solve the equation normally
3x+7 >/= 4
3x >/= 4-7 change the side and the signal of the single numbers to group they and calculate
3x >/= -3  
x >/= -3/3 pass the number thar is dividing now multiplying
x >/= -1   all number like this "a/a" is equal 1
make the same with the other 
2x-5 >/= -1
2x >/= -1+5 change the side and the signal of the single numbers to group they and calculate
2x >/= 4
x >/= 4/2 the number that multiplying pass dividing
x >/= 2