0.7 + 0.5x + 1 = 0.4x - 1.2
Combine like terms:
0.5x + 1.7 = 0.4x -1.2
Subtract 0.4x from both sides:
0.1x + 1.7 = -1.2
Subtract 1.7 from both sides:
0.1x = -2.9
Divide by 0.1:
x = -29
0.7 + 0.5x + 1 = 0.4x - 1.2
Combine like terms:
0.5x + 1.7 = 0.4x -1.2
Subtract 0.4x from both sides:
0.1x + 1.7 = -1.2
Subtract 1.7 from both sides:
0.1x = -2.9
Divide by 0.1:
x = -29