Answer:the number is 25
Step-by-step explanation:
2a-7=43
Collect like terms
2a=43+7
2a=50
Divide both sides by 2
2a/2=50/2
a=25
Answer:
sin 50°
Step-by-step explanation:

Answer:
k-13
Step-by-step explanation:
brainliest?
Answer:
You cannot simply 64x^2-112x+ 49 further than it is already simplified.
Step-by-step explanation:
When you move a number to the opposite side of the equation, in this occasion it will be 23- it changes to the opposite value. So us 23 is a positive value you can move it and change it to a negative. Or in other words suntract -23 from all sides of the equation, which will be equal to:
y = 59 - 23
Y = 36