Answered

the sum of a number and seven is four less than twice the number. What is the number?

Sagot :

NICKSLAURONGO

Answer:

11

Step-by-step explanation:

n + 7 = 2n - 4

2n- n = -7 - 4

n = -7 -4

n = |-11|

n = 11

substitute 11

11 + 7 = 2(11) - 4

18 = 22 - 4

18 = 18

✓ = ✓

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