Steps for solving 4x - 12 = 20 are shown.
Explain how Step 3 helps solve the equation.
4x - 1...
Mathematics, 01.07.2020 22:01 babyduck0664
Steps for solving 4x - 12 = 20 are shown.
Explain how Step 3 helps solve the equation.
4x - 12 - 20
4x-12 +12 - 20 +12
4x = 32
4x32
4
X=8
Original equation
Step 1
Step 2
Step 3
Step 4
A. Multiplying both sides by 4 undoes the division.
O B. Dividing both sides by 4 isolates the variable.
O C. Multiplying both sides by 4 isolates the variable.
O D. Dividing both sides by 4 eliminates the variable.
Answers: 3
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