1. 11x+9=-7
-9 -9
11x=-16
/11 /11
x= -16/11
2. 2x-8-6x=90
2x-6x=-4x
-4x-8=90
+8 +8
-4x=98
/-4 /-4
x=-24.5
3. 5(3x-4)=x+6+12x
15x-20=13x+6
-13x. -13x
2x-20=6
+20. +20
2x=26
/2. /2
x=13
Answer:
Step-by-step explanation:
Domain consists of all the input values shown on the x-axis. Range is the set of possible output values, which are shown on the y-axis.
57-39=18 so 39+18=57 so the answer is 18
Its 12!!! uhm i have no explanation sorry...
