Answer:
In explanation.
Explanation:
Let "a number" be represented by n.
"twice a number" →2n.
"twice a number and k" →2n+k.
"7 less than twice a number and k" →(2h+k)−7.
Complete form.
2x-7=5
2x=12
x=12/2
x=6
Simplified form.
2x-7=5
2x=12
x=6
Hope this helps.