1. Simplify: 2/3 + -4/5 + 7/15 + -11/20
a) -1/5
b) -13/60
c) -4/15
d) 7/30
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Answered by
1
Answer:
Simplify —x—
x2
Dividing exponential expressions :
1.1 x1 divided by x2 = x(1 - 2) = x(-1) = 1/x1 = 1/x
Equation at the end of step
1
:
1
((— - 3x) + 2) - dot6 = 0
x
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