1: -7x +4x -11=22 x=−11
2: 3x - 5 = 7 x=4
3: 3(x + 7) = 5x -7 x=14
4: 2(x-5) + 3x =20 x=6
Step-by-step explanation
1: x=−11
2: x=4
3: x=14
4: x=6
Above is the answers.
Down is the steps of the questions.
Example for question 1
1: Step 1: Simplify both sides of the equation.
2: Step 2: Add 11 to both sides.
3: Step 3: Divide both sides by -3.
Hope this helps.