(x+7)+(3x-9)=90

Simple and best practice solution for (x+7)+(3x-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 (x+7)+(3x-9)=90 equation:


Simplifying
(x + 7) + (3x + -9) = 90

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

Remove parenthesis around (7 + x)
7 + x + (3x + -9) = 90

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

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

Reorder the terms:
7 + -9 + x + 3x = 90

Combine like terms: 7 + -9 = -2
-2 + x + 3x = 90

Combine like terms: x + 3x = 4x
-2 + 4x = 90

Solving
-2 + 4x = 90

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 4x = 90 + 2

Combine like terms: -2 + 2 = 0
0 + 4x = 90 + 2
4x = 90 + 2

Combine like terms: 90 + 2 = 92
4x = 92

Divide each side by '4'.
x = 23

Simplifying
x = 23

See similar equations:

| z+4z=40 | | 32x-64=0 | | 19+9=30 | | 2(z+10)=-14 | | 6x^2+8x=7 | | (X)+(4x-10)=90 | | 3xy+4z+2z-2xy= | | 10-2=-6(z+5) | | 6=-3n | | 17x=63+8x | | -247=8(1+7n) | | -289=8(5-6m)+m | | 4c+28-3=18 | | h(x)=8x-10 | | 16x=48-40x | | -14+p=-34 | | 1-6r=2r-5r+7 | | 17=4(u+1)+1 | | 10+4x=5(-6)+33 | | -7p+5(4+7p)=160 | | 67=3v+10 | | 2x+20=1x+30 | | h=t^2-6t+12 | | 4x+7x=9 | | 6(k-6)=-84 | | 12-4x=5x+9 | | 3(u-11)-8=7 | | r-43=45 | | X^2+16k=-12 | | 5/6x-8/15 | | 9(y-4)= | | 3(10g-4)+2(5g-8)= |

Equations solver categories