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square each side
9(y-3) = 4y+3
9y-27 = 4y + 3
add -5y to each side
4y -27 = 3
add 27 to each side
4y = 24
divide each side by 4
y = 6
check by substituting 6 into the original equation. ?= ?= ?= ?= ?= which check out