Answer:
D. -8
Step-by-step explanation:
Since you know your times tables, you know that 7×8 = 56. Then by the rules of signs, 7×(-8) = -56. The value of x is -8.
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In terms of equation solving process, you would solve this equation by multiplying both sides by 1/7. This will make the coefficient of x be 1.
(1/7)(7x) = (1/7)(-56)
x = -8