What is (7a)/9-(3a)/4 ?

The solution to (7a)/9-(3a)/4 is a/(36)

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simplify (7a)/9-(3a)/4

simplify

\frac{7 a}{9} - \frac{3 a}{4}

\frac{a}{36}

Solution steps

\frac{7 a}{9} - \frac{3 a}{4}

Least Common Multiplier of

9, 4 : 36

Adjust Fractions based on the LCM

= \frac{28 a}{36} - \frac{27 a}{36}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{28 a - 27 a}{36}

Add similar elements:

28 a - 27 a = a

= \frac{a}{36}

4 x = - 32

- 8 n = - 1

3 x^{2} - 39 x - 90

∣ z + 3 ∣ = ∣ z - 3 ∣

4 (x - 2) - 3 x = 2 (x - 6)