Answer:
Positive: 7-(-4) and -10+12
Negative -3+(-2) and 5-8
Step-by-step explanation:
Addition and subtraction rules
Charles' weight = Edith's weight + 20% of Edith's weight
We'll use a variable to represent Edith's weight, x.
The decimal form of 20% is 0.2.
60 = x + 0.2x
60 = 1.2x
x = 50
Edith's weight is 50kg.
Hope this helps!
slope (m) = 4
y intercept is -3 and 5
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