What is the first step in solving for x in the equation 5.6(x+1.42)=7.8?(1 point)
Responses
Divide both sides by 5.6.
Only the left-hand side was divided by 5.6.
Multiply both sides by 5.6.
Subtract 1.42 from both sides
What is the second step in solving for n in the equation 5.6(n+1.42)=7.8?(1 point)
Responses
Divide both sides by 5.6.
Subtract 1.42 from both sides.
Subtract 5.6 from both sides.
Add 1.42 to both sides.
What is the first step in solving for x in the equation 9.8(x−2.14)=53.9(1 point)
Responses
Multiply both sides by 9.8.
Divide both sides by 9.8.
Add 2.14 to both sides.
Divide only the left-hand side by 9.8.
Solve for x in the equation 102.5(x−11.92)=71.6. Round your answer to 3 decimal places.(1 point)
Responses
12.619
12.618
0.699
−11.221
Solve for n in the equation 50.3(n+9.25)=−120.72.(1 point)
Responses
−11.65
−6.85
−2.4
6.85
8 answers
I would not perform any of the given choices since the division is not exact
I would multiply both sides by 10
56(x + 1.42) = 78
now expand
56x + 79.52 = 78
56x = -1.52
x = -1.52/56 = -152/5600 = - 19/700 for an accurate answer
same with the others