Question

1which ordered pair makes the equation true?
2x-5y=-10
A(5,4)
B(-10,4)
C(2,5)
D(20,4)

2what is the simplified form of the expression
15y-3(4y+10)
A3y-30
B3y+10
C27y-30
D27y+10

3which ordered pair is a solution to the question
4y=7x-5
A(-5,0)
B(-3,4)
C(1,3)
D(2,-2)

4which ordered pair is a solution to the question
y=5^4x-3
A(5,-1)
B(-5,-7)
C(-10,5)
D(10,-11)

5which is the simplifies form of the expression
12n-1/2(6n-4)
A9n-2
B9n+2
C15n-2
D15n-8

Answer 1

Answer to 1 is A
Answer to 2 is A
Answer to 5 is A
for 3 and 4 I do not know sorry, for 5 and 2 you combine like terms after multiplying the number just outside the parentheses with the numbers inside the parentheses.