The phrase "war on terror" was coined by president george w. bush in 2001 following the terrorist attacks of september 11. in general, the war on terror can be defined as a global struggle against terrorist organizations and regimes. the struggle against world terrorism is led by the united states and the united kingdom with support from which international organization?

NATO

Explanation:

The North Atlantic Treaty Organization, also called the North Atlantic Alliance, is an intergovernmental military alliance between 29 North American and European countries.

simplify brackets

8 - 2a - 7 = a + 40

simplify 8 - 2a - 7 to -2a + 1

-2a + 1 = a + 40

add 2a to both sides

1 = a + 40 + 2a

simplify a + 40 + 2a to 3a + 40

1 = 3a + 40

subtract 40 from both sides

1 - 40 = 3a

simplify 1 - 40 o -39

-39 = 3a

divide both sides by 3

-39/3 = a

simplify 39/3 to 13

-13 = a

switch sides

a = -13