Solve the following:
a. –4(2 + x) = 8 b. 16 = 4 + 3(t + 2)
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Answer. A:
→ -4(2+x) =8
→2+x=8/-4 The denominator is never negative
→2+x=-2
→x=-2-2
→x=-4
Answer. B:
→16=4+3(t+2)
→16-4=3(t+2)
→12=3(t+2)
→12/3=t+2
→4=t+2
→4-2=t
→2=t
or
→t=2
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