Answer:
18
Step-by-step explanation:
(3+2)²-7
add the number inside the parentheses
5²-7
the ² above the 5 is called square and that means multiply be him self so:
5*5=25
25-7=18
Answer:
x = 1
Step-by-step explanation:
5 x (2x - 8) + 15 = -15 Multiply 5 by 2x and -8
10x - 40 + 15 = -15 Add -40 and 15
10x - 25 = -15 Add 25 to both sides
10x = 10 Divide 10 by 10
x = 1
Answer:
Step-by-step explanation:256
Answer:
y=-3
Step-by-step explanation:
first distribute then solve for y
5y+2=-13
-2 on both sides
5y=-15
divide by five on each side
y=-3
Answer:
21-9x12
Step-by-step explanation:
