8-(g+7)=21

Simple and best practice solution for 8-(g+7)=21 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 8-(g+7)=21 equation:


Simplifying
8 + -1(g + 7) = 21

Reorder the terms:
8 + -1(7 + g) = 21
8 + (7 * -1 + g * -1) = 21
8 + (-7 + -1g) = 21

Combine like terms: 8 + -7 = 1
1 + -1g = 21

Solving
1 + -1g = 21

Solving for variable 'g'.

Move all terms containing g to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -1g = 21 + -1

Combine like terms: 1 + -1 = 0
0 + -1g = 21 + -1
-1g = 21 + -1

Combine like terms: 21 + -1 = 20
-1g = 20

Divide each side by '-1'.
g = -20

Simplifying
g = -20

See similar equations:

| 6(7x+10)=564 | | n+22=38 | | -7(8x+2)=378 | | -(m-11)=13 | | 100=-(x+8)+2x | | 3(2z-3)=5(z+2) | | 2(9x)+2(2x)=484 | | 7(5x+13)=301 | | 2/3x=-1/2 | | 3w+4+2w=-26 | | (1)/(5p2)*(5p3-35p2)/(9p-36) | | X(2)+2x=23 | | 5x+2=9x-22 | | w/7+2=5 | | 5(-9x+15)=-195 | | x=450-.5y | | 3k+16=5 | | 7x^-3/16x^-1 | | 5(-9+15)=-195 | | x+(s+40)=180 | | 4x+2(3x-7)=6-(4-x) | | 3(6m)+m=21m | | 7(5x+16)=-203 | | 12y-7=53 | | -26x-2x=10-8x | | 4x^2+-10x+25=0 | | 2(x)+y=900 | | 10(-10x+12)=-380 | | 4x^2-10x+25=20 | | 5x^2-20=4 | | (5x+15)/(3x+9) | | 5x+15/3x+9 |

Equations solver categories