7x-9+7x+15=90

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


Simplifying
7x + -9 + 7x + 15 = 90

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

Combine like terms: -9 + 15 = 6
6 + 7x + 7x = 90

Combine like terms: 7x + 7x = 14x
6 + 14x = 90

Solving
6 + 14x = 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 + 14x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 14x = 90 + -6
14x = 90 + -6

Combine like terms: 90 + -6 = 84
14x = 84

Divide each side by '14'.
x = 6

Simplifying
x = 6

See similar equations:

| .05x+.1(x-500)=.08x | | 10x+170=-2(-x) | | 16x^3-28x^2-60x=0 | | 9r=90 | | (-7)x(-3)=x | | -(7/5)(y-20)-(1/15)=0 | | 20x^2+48x-5= | | 5p-(9p+19)=3-(6p-5) | | x^2-7x=5x^2-12x | | 5(3x-4)-7x+8=20(x+2)-2(6x-5) | | 2x-6=12+x | | 10x^2+13x-30=0 | | 5/x+1/2=6/x | | 12x^2+40x-7= | | 4+[17-5(5-3)]= | | 39-66=14p | | (x+7)(x-3)=-7 | | 10(x+17)=-2(-x) | | 2(1-7k)=-4k-38 | | 2a^2+8a-24= | | 5x+3(x-5)=8x-3(x+4) | | 2z/9-3=-8 | | 4z^2-12z-144=0 | | 94t=316 | | X-5=1x+5 | | 9b^2-30b+16= | | 2*(a+b)+cb+ab+ac-3*(ab-cb-ba+bc)= | | 11x^2+59x+20= | | 5(2x-1)=(3x+2) | | 3(1-7x)=-15-3x | | -(x+5)=2(x-7)+9 | | Z/8-9=5 |

Equations solver categories