Solve 6.5-10-5-0.5+4+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1=

$$6.5-10-5-0.5+4+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1=$$

Evaluate

$$-48.7$$

Solution Steps

Subtract 10 from 6.5 to get -3.5.

$$-3.5-5-0.5+4+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 5 from -3.5 to get -8.5.

$$-8.5-0.5+4+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 0.5 from -8.5 to get -9.

$$-9+4+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add -9 and 4 to get -5.

$$-5+0.7-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add -5 and 0.7 to get -4.3.

$$-4.3-0.2+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 0.2 from -4.3 to get -4.5.

$$-4.5+0.3+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add -4.5 and 0.3 to get -4.2.

$$-4.2+5+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add -4.2 and 5 to get 0.8.

$$0.8+10+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add 0.8 and 10 to get 10.8.

$$10.8+10+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add 10.8 and 10 to get 20.8.

$$20.8+30+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add 20.8 and 30 to get 50.8.

$$50.8+5-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Add 50.8 and 5 to get 55.8.

$$55.8-5-2-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 5 from 55.8 to get 50.8.

$$50.8-2-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 2 from 50.8 to get 48.8.

$$48.8-1-10-1.5-20-15-20-20+5-14-1$$

Subtract 1 from 48.8 to get 47.8.

$$47.8-10-1.5-20-15-20-20+5-14-1$$

Subtract 10 from 47.8 to get 37.8.

$$37.8-1.5-20-15-20-20+5-14-1$$

Subtract 1.5 from 37.8 to get 36.3.

$$36.3-20-15-20-20+5-14-1$$

Subtract 20 from 36.3 to get 16.3.

$$16.3-15-20-20+5-14-1$$

Subtract 15 from 16.3 to get 1.3.

$$1.3-20-20+5-14-1$$

Subtract 20 from 1.3 to get -18.7.

$$-18.7-20+5-14-1$$

Subtract 20 from -18.7 to get -38.7.

$$-38.7+5-14-1$$

Add -38.7 and 5 to get -33.7.

$$-33.7-14-1$$

Subtract 14 from -33.7 to get -47.7.

$$-47.7-1$$

Subtract 1 from -47.7 to get -48.7.

$$-48.7$$

Factor

$$-48.7$$