z = 8 ✅
Step 1:
Add 2.7 to both sides
5.3 = z - 2.7
5.3 + 2.7 = z - 2.7 + 2.7
⬆️ ⬆️
Step 2:
Simplify
( = 8 ) ⬇️ ( = 0 )
⬇️ ⬇️
8 = z
Answer: z=8
Explanation:
5.3=z-2.7
5.3+2.7=z-2.7+2.7 ==> remove the 2.7 in 'z-2.7' to single out the variable z.
z=5.3+2.7
z=8
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