Respuesta :
Answer:
1) 8
Step-by-step explanation:
4k-7=25
add +7
4k-7+7=25+7
4k=32
divide by 4
4k÷4=32÷4
K=8
2) -2
9y+12=-6
add -12
9y+12-12=-6-12
9y=-18
divide by 9
9y÷9=-18÷9
Y=-2
3) -4
-16-12x=32
add +16
-16+16-12x=32+16
-12x=48
divide by -12
-12x÷(-12)=48÷(-12)
X=-4
4) 6
-4b+18=-6
add -18
-4b+18-18=-6-18
-4b=-24
divide by -4
-4b÷(-4)=-24÷(-4)
b=6
5) -4
-3y-2=10
add +2
-3y-2+2=10+2
-3y=12
divide by -3
-3y÷(-3)=12÷(-3)
Y=-4