Question

What is the difference of (-3.4x+4.7)-(3+2.9x)?

-0.5x+1.7
O -6.3x-1.7
0 -0.5x-1.7
O -6.3x+1.7
please help

Answer 1

option 4

Explanation:

-3.4x + 4.7 - (3 + 2.9x) = -3.4x + 4.7 - 3 - 2.9x (combine like terms)

= -3.4x - 2.9x + 4.7 - 3

= - 6.3x + 1.7

If two number have same sign, add and put the common sign for the answer.

If two numbers have different sign, subtract and the answer will have the sign of the bigger number