Answer:
7x-7=4x+14
-4x. -4x
3x-7=14
+7 +7
3x=21
x=7
7(7)-7=4(7)+14
42=42
Step-by-step explanation:
1) -28r +14=-12r-2
-16r=-16
r=1
~~~~~~~~~~~~~~~~
2) -35x+5=6x-36
-41x=-41
x=1
You cant solve these if they are not equating up to something hence incomplete question.