Solving by Combining Like Terms
-2/7 x = 4
x= - 14
Solve for a: g = ca
a = g/c
3/4 x + x = 14
x = 8
Solve for x: 5 = x - 21 + q
x = 26 - q
1/3 - 2/9 x = 15 + x
x = -12
Solve for a: a - c = d - r
a = c +d - r
3/4 x - 1/5 = 1/2 x + 3/4
x = 19 / 5
2/3 x - 4/5 = -6
X = -9
The formula A = 1/2*b*h is used to find area of a triangle. The formula to find the height is what?
h = 2A / b
1/2 (x+1) = 4/3 - x
x = 5/9
The equation A = 1/2 ( a+b ) h is used to find he area of a trapezoid. The equation to find the height of a trapezoid is what?
h = 2A / (a+b)