start with distributive property
5 - 6 + 2x = 4x + 10
Combine like terms:
-1 + 2x = 4x + 10
move the 2x over by subtraction
-1 = 2x + 10
move the 10 over by subtraction
-11 = 2x
divide by 2
x = -11/2
C the number of square units contained in the interior because of its units and number of squares
-5(1 - 5x) + 5(-8x - 2) = -4x - 8
-5 + 25x - 40x - 10 = -4x - 8
25x - 40x + 4x = -8 + 10 + 5 = 7
-11x = 7
x = -7/11
