If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
5r2 + 7 = 102
Reorder the terms:
7 + 5r2 = 102
Solving
7 + 5r2 = 102
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-7' to each side of the equation.
7 + -7 + 5r2 = 102 + -7
Combine like terms: 7 + -7 = 0
0 + 5r2 = 102 + -7
5r2 = 102 + -7
Combine like terms: 102 + -7 = 95
5r2 = 95
Divide each side by '5'.
r2 = 19
Simplifying
r2 = 19
Take the square root of each side:
r = {-4.358898944, 4.358898944}
| -7a+5+8a=5-24 | | 14x^2-17x=-5 | | -24=15x | | X+2y+45=180 | | -4=-28n-2 | | =5+7(w+2)+w | | 11.6+x-8.7=3.7 | | 17=2+3g | | 4x+10=-2x+12 | | 15(2x-5)+2x=5(5x-15)-7 | | 8x^2-34x+33=0 | | 7(2x+5)=-21 | | 18x+21x+19=1 | | 4.4y=-2.64 | | 4(5n-3)=-20 | | 50x^2=62x | | 3a^2-1=11 | | 160-4q=4q | | 9h-28=62 | | 50=x(x+5) | | 0.3(5+2x)+1.3x=3.1 | | 4.1y=-2.46 | | n^2+4n+3=3 | | 4(c-3)= | | 10y+2=10x | | 7y+2=6y-7 | | n/8=-32 | | 4.1y=-3.28 | | x^5+8y^3=0 | | n/8=32 | | 160-8Q=4Q | | n/8=-64 |