You can put this solution on YOUR website! on number line all positive value moves to right side and negative value move to left side
for "-7+(-2), means from -7 moves two place left means it will reach to -9 value
smae way for 10+(-5) from +10 it will move toward left five position will reach to +5
same way for
-12+7,move from -12 toward right side seven place will reach to -5
pl do same for the following value
-14+5"?