(7x-15)+(9a+25)=90

Simple and best practice solution for (7x-15)+(9a+25)=90 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 (7x-15)+(9a+25)=90 equation:


Simplifying
(7x + -15) + (9a + 25) = 90

Reorder the terms:
(-15 + 7x) + (9a + 25) = 90

Remove parenthesis around (-15 + 7x)
-15 + 7x + (9a + 25) = 90

Reorder the terms:
-15 + 7x + (25 + 9a) = 90

Remove parenthesis around (25 + 9a)
-15 + 7x + 25 + 9a = 90

Reorder the terms:
-15 + 25 + 9a + 7x = 90

Combine like terms: -15 + 25 = 10
10 + 9a + 7x = 90

Solving
10 + 9a + 7x = 90

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + 9a + -10 + 7x = 90 + -10

Reorder the terms:
10 + -10 + 9a + 7x = 90 + -10

Combine like terms: 10 + -10 = 0
0 + 9a + 7x = 90 + -10
9a + 7x = 90 + -10

Combine like terms: 90 + -10 = 80
9a + 7x = 80

Add '-7x' to each side of the equation.
9a + 7x + -7x = 80 + -7x

Combine like terms: 7x + -7x = 0
9a + 0 = 80 + -7x
9a = 80 + -7x

Divide each side by '9'.
a = 8.888888889 + -0.7777777778x

Simplifying
a = 8.888888889 + -0.7777777778x

See similar equations:

| 9w-14=52 | | 3x+6=x+17 | | 4x+2(x-2)-2=6x+5 | | -4-5x+2x=74 | | 14-9w=52 | | 14w-9=52 | | 60-32×5/9 | | 2x+(3p-4)y+1=0 | | -4x-5x+2x=74 | | 9-14w=52 | | 5y-2=2(y+5) | | 3eX+1=40 | | 14w+9=52 | | -109.3=184.9-y | | 14w+9=42 | | d=10+2t | | y=3e^7x^2-1 | | 9w+14=52 | | R+25-0.5R=40 | | 3z/8-8=3 | | M-16=87 | | -9(y-3)=4y+40 | | 15x^2-12x-20=0 | | -11=-11+p | | 16x^2+62x+48=0 | | 6+n=-26 | | X^2-XP+XP-P^2=X^2+2XP+P^2-4P^2-10P | | 22.5x+27.5(10-x)=250 | | 2x-3-(3x-1)=2+(x+4) | | 3x-1=1/2 | | 8k-6k+4K=24 | | f(x)=(8/13)x |

Equations solver categories