(3x+15)+(4x-9)=90

Simple and best practice solution for (3x+15)+(4x-9)=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 (3x+15)+(4x-9)=90 equation:


Simplifying
(3x + 15) + (4x + -9) = 90

Reorder the terms:
(15 + 3x) + (4x + -9) = 90

Remove parenthesis around (15 + 3x)
15 + 3x + (4x + -9) = 90

Reorder the terms:
15 + 3x + (-9 + 4x) = 90

Remove parenthesis around (-9 + 4x)
15 + 3x + -9 + 4x = 90

Reorder the terms:
15 + -9 + 3x + 4x = 90

Combine like terms: 15 + -9 = 6
6 + 3x + 4x = 90

Combine like terms: 3x + 4x = 7x
6 + 7x = 90

Solving
6 + 7x = 90

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 7x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 7x = 90 + -6
7x = 90 + -6

Combine like terms: 90 + -6 = 84
7x = 84

Divide each side by '7'.
x = 12

Simplifying
x = 12

See similar equations:

| 4m-18=2m+(-6) | | 4(v+9)=9(7v+4) | | -2w-36=8(w-7) | | (3x^5y^2c)(15x^3y^9c^3)= | | 3(5/2x+1)=7x | | 2(t+2)+5T=6T+11 | | 3/8+5/12= | | 15c^9-15c^7+21c^4/3c^4 | | 8-6(-p+8)=-6p+12 | | 2(w+6)=8w+18 | | 3n+4n-2=15 | | 4(1+6r)=40+6r | | 6y-5+3y+7=127 | | -4/7(3x-14)=18 | | -8+10x=18 | | 2x(4x+5)(4x-5)=0 | | -9n-5=19 | | 8*4+8= | | -4(3x-1)=2(5x-1)+6 | | -5x-5(x+18)=10 | | 109+x=180 | | -8x+10x=18 | | 8=12+8k | | -6(7+7k)=3+3k | | 3=.5x+11 | | 2(1+15x)=2 | | -3+33=3(u-3) | | X^2+9x-38= | | 0=-7(x-10) | | 8x-3*4.5x+7.5=84 | | 3(s+1)+1=10 | | 0.75x+14=3 |

Equations solver categories