what is -4a-1/-10a=3/8

-4a-1/-10a=3/8 (it is a proportion)
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1 Answer

(-4a - 1)/-10a = 3/8
8(-4a - 1) = 3(-10a) {cross-multiplied}
-32a - 8 = -30a {used distributive property}
-8 = 2a {added 32a to both sides}
a = - 4 {divided both sides by 2}
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