equations and inequalities unit test
for questions 1-5, solve the equation
4. 3(4-2x)=-2x (1 point)
a. -1***
b. 1
c. 2
d. 3
5. 5.4+0.2x=-1.4x+8.6
a. 2
b. -2
c. .2***
d. 20
For questions 6-7, simplify the expression
6. -4 - 5(x+8)
a.-5x - 44
b.-5x + 36***
c.-x - 8
d.-20x + 8
7. 3x + 4(x-6) - 3(x-7)
a. 4x - 45***
b. 4x - 3
c. 10x - 3
d. 10x + 45