aljabar

(x + 3) added with 78 is 85. Find x.

Find 2 consecutive numbers if the total of those 2 numbers is 531.

Find 3 consecutive odd numbers if the total of those 3 numbers is 159.

Find 3 consecutive even numbers if the total of those 3 numbers is 172

Find a side of a square that has a perimeter of 28 cm.

If there are 48 students in the class, which ¼ of them are girls. Find the number of boys?

Ika’s mass is 3 times heavier than Lina’s mass. If the total mass of both girls are 68 kg and Lina’s mass is y. Find y.

If in the bus there are 51 passengers. After a while, p passengers got away from the bus. If the passengers left in the bus are 36 passengers, find p.

Five add with z is y. Find z if y = 27.

If t (-25) added by 75 is equal to 200, find t.