Question

Combine like terms to create an equivalent expression. -3.6-1.9t+1.2+5.1t

Answer 1

3.2t -2.4

Explanation:

-3.6-1.9t+1.2+5.1t

Like by terms = -1.9t+5.1t - 3.6 +1.2

Solve left to right step 1 = 3.2t - 3.6 +1.2

Solve step 2 = 3.2t - 2.4

Answer 2

3.2t-2.4

Explanation:

`\\-3.6-1.9t+1.2+5.1t\\\mathrm{Group\:like\:terms}\\\\=-1.9t+5.1t-3.6+1.2\\\\\mathrm{Add\:similar\:elements:}\:-1.9t+5.1t=3.2t\\\\=3.2t-3.6+1.2\\\\=3.2t-2.4`