Question

step by step explanation
3m+4/2-6m=-2/5

Answer 1

Step-by-step explanation:

2

m

−

4

3m

+

6

5m

=21

Multiply both sides of the equation by 12, the least common multiple of 2,4,6.

6m−3×3m+2×5m=252

Multiply −3 and 3 to get −9.

6m−9m+2×5m=252

Combine 6m and −9m to get −3m.

−3m+2×5m=252

Multiply 2 and 5 to get 10.

−3m+10m=252

Combine −3m and 10m to get 7m.

7m=252

Divide both sides by 7.

m=

7

252

Divide 252 by 7 to get 36.

m=36