3x+5x+7=90

Simple and best practice solution for 3x+5x+7=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+5x+7=90 equation:


Simplifying
3x + 5x + 7 = 90

Reorder the terms:
7 + 3x + 5x = 90

Combine like terms: 3x + 5x = 8x
7 + 8x = 90

Solving
7 + 8x = 90

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 8x = 90 + -7

Combine like terms: 7 + -7 = 0
0 + 8x = 90 + -7
8x = 90 + -7

Combine like terms: 90 + -7 = 83
8x = 83

Divide each side by '8'.
x = 10.375

Simplifying
x = 10.375

See similar equations:

| x/2+3/5=4 | | 7*3+4*6= | | 9-15=4-3+19 | | 35=7x | | 3(x*5)=225/3 | | 12(x+5)-3x=19 | | 14x+2x=176 | | 2-2t=6 | | 18+6= | | 112+6x=126+4x | | 2=x-30 | | 97-25/41-23=d | | 97-25/41-23=d3 | | 97-25/41-23 | | 1/(z-1)=2/(z+1) | | k-2/5=11j/1 | | -48+4+n=-1+10 | | 12(x+4)=76.8 | | 7x-6x-4=6 | | 1.4(x+3)=5.32 | | 4z-44=2z+28 | | 9-5x=25-3x | | 3/4(x+2)=27/8 | | 30+5/3r=-30 | | 7/8+x=17/12 | | 9y-27=-3y-3 | | 7/8+x | | 15/3+x=1 | | 4/5t-5=7 | | p=8*1200-400 | | 70+9x=76+8x | | p=8x-400 |

Equations solver categories