m2.8-4.9=7.11

Multiply by 1.

1m2.8-4.9=7.11

Factor 2.8 out of 2.8.

1m2.8(1)-4.9=7.11

Separate fractions.

12.8⋅m1-4.9=7.11

Divide 1 by 2.8.

0.3571428‾m1-4.9=7.11

Divide m by 1.

0.3571428‾m-4.9=7.11

0.3571428‾m-4.9=7.11

Add 4.9 to both sides of the equation.

0.3571428‾m=7.11+4.9

Add 7.11 and 4.9.

0.3571428‾m=12.01

0.3571428‾m=12.01

Divide each term in 0.3571428‾m=12.01 by 0.3571428‾.

0.3571428‾m0.3571428‾=12.010.3571428‾

Cancel the common factor of 0.3571428‾.

m=12.010.3571428‾

Divide 12.01 by 0.3571428‾.

m=33.628

m=33.628

Solve for m m/2.8-4.9=7.11