the answer should be 44. you plug in -7 for x.
4x + y = 5
3x + y = 8
y = -3x + 8
4x +(-3x + 8) = 5
4x -3x + 8 = 5
x + 8 = 5
x = -3
y = -3(-3) + 8
y = -9 + 8
y = -1
Answer:
27
Step-by-step explanation:
30%=0.3 in decimal form
90×0.3=27
Angle x° and angle
154° are supplementary angles, meaning that they equal 180° when added.