Answer:
x=-1
Step-by-step explanation:
4x+7=2x+5
subtract 2x on both sides
4x-2x+7=5
4x-2x=2x
2x+7=5
subtract 7 on both sides
2x=-2
divide both sides by 2
x=-1
hope this helps
Answer:21/16
Step-by-step explanation: you just flip the 2/3 to 3/2 and times it
Answer:
The answer is B (30)
Step-by-step explanation:
X = 3 and y = 6.
4(3) = 12
3(6) = 18
12 + 18 = 30
Sum means add
(x+5) + (-4x-2) + (2x-1)
=-3x+3+(2x-1)
=-x+2