Expand and collect

Answer: −5

1. Expand the bracket: 4x+44=2x+34.
2. Subtract 2x from both sides: 2x+44=34.
3. Subtract 44:2x=−10.
4. Divide by 2:x=−5.

Answer: 3

1. Expand the bracket: 4x+44=2x+50.
2. Subtract 2x from both sides: 2x+44=50.
3. Subtract 44:2x=6.
4. Divide by 2:x=3.

Answer: 4

1. Expand the bracket: 9x+135=2x+163.
2. Subtract 2x from both sides: 7x+135=163.
3. Subtract 135:7x=28.
4. Divide by 7:x=4.