Answer :
1.2x + 4.3 = 2.1 - x
add x
1.2x + 4.3 = 2.1 - x
+x + x
Subtract 4.3
= 2.2x + 4.3 = 2.1
-4.3 -4.3
= 2.2x = 2.1 - 4.3
divide by 2.2
2.2x = -2.2
/2.2 /2.2
x = -2.2/2.2
x = -1.
add x
1.2x + 4.3 = 2.1 - x
+x + x
Subtract 4.3
= 2.2x + 4.3 = 2.1
-4.3 -4.3
= 2.2x = 2.1 - 4.3
divide by 2.2
2.2x = -2.2
/2.2 /2.2
x = -2.2/2.2
x = -1.