Answer:
x = 2
Step-by-step explanation:
Given
5x - 4 = - 3x + 12 ( add 3x to both sides )
8x - 4 = 12 ( add 4 to both sides )
8x = 16 ( divide both sides by 8 )
x = 2
Answer:
6x^2−3x
Step-by-step explanation:
so first you have to multiply the 3x to both 2x and 1
the equation is now 6x^2-3x
there are no more like terms so the answer is 6x^2-3x
Answer:
7881.75
Step-by-step explanation:
10,170x0.775
Answer:
53, 55
Step-by-step explanation:
by the triangular inequality theorem, in a triangle.. sum of two sides is always greater than the third side.
3+54=57 ... exclude 57 and 58
3+51=54 ... exclude 51