# ABCD FGHJ. Find the measures of the given angles or lengths of the given sides. AD=5b+4;FJ=3+8

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Student Comments

atyourservice | Student

if ABCD = FGHJ

then AD = FJ

so set up the problem as

5b + 4 = 3 + 8

combine like terms

5b + 4 = 11

move the 4 to the other side by minusing it (this will cancel out the 4)

5b = 7

and divide by 52 to get b alone and you end up with

b = 7/5

to check substitute the b in the problem with 7/5

5(7/5) + 4 =11

7 + 4 =11

11 = 11