4+7a=12+8a
with steps pls

4+7a=12+8a

step 1: subtract 7a from both sides.
now you have 4=12+a

step 2. subtract 12 from both sides.
now you have -8=a

the answer is a=-8

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11/2.2 = 5 inches for the length 8.5/2.2= 3.86 inches for the width

Hello! mark me brainliest
answer:
congruent segments
step-by-step explanation:
congruent segments. take a line, cut it in half, superipose one half over the other half; you'll have congruence.