Question 78683
-7-7X=-70 ADD 7 TO BOTH SIDES OF THE EQUATION THUS:
(-7+7)-7X=(-70+7)
0-7X=-63 NOW DIVIDE BOTH SIDES BY -7
-7X/-7=-63/-7
X=9 ANSWER.
PROOF
-7-7*9=-70
-7-63=-70
-70=-70