The sum of 1 and 7 times a number is 64. write and solve an equation to determine the number. select the solution and graph that
represents the number
x=4
x=6
x=7
x=9
2 answers:
Answer:
<em>x = 9</em>
Step-by-step explanation:
Let the number be x.
7 times the number is 7 times x, or 7x.
The sum of 1 and 7 times a number is 7x + 1.
That sum equals 64, so we set the sum equal to 64, and we solve for x.
7x + 1 = 64
Subtract 1 from both sides.
7x = 63
Divide both sides by 7.
x = 9
x = 8, 1 + 7 +8 and 8 x 8 equals 64. good luck!
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