First, let's solve the first equation:
0.2*(x-7) = 0.8
Distribute the 0.2:
0.2x - 1.4 = 0.8
Add 1.4 to both sides:
0.2x = 2.2
Divide by 0.2:
x = 11
Now, let's solve the second equation:
3*(0.4-x) = 9
Distribute the 3:
1.2 - 3x = 9
Subtract 1.2 from both sides:
-3x = 7.8
Divide by -3:
x = -2.6
So the solutions to the two equations are x = 11 and x = -2.6.
First, let's solve the first equation:
0.2*(x-7) = 0.8
Distribute the 0.2:
0.2x - 1.4 = 0.8
Add 1.4 to both sides:
0.2x = 2.2
Divide by 0.2:
x = 11
Now, let's solve the second equation:
3*(0.4-x) = 9
Distribute the 3:
1.2 - 3x = 9
Subtract 1.2 from both sides:
-3x = 7.8
Divide by -3:
x = -2.6
So the solutions to the two equations are x = 11 and x = -2.6.