a+2(a-30)=90

Simple and best practice solution for a+2(a-30)=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 a+2(a-30)=90 equation:


Simplifying
a + 2(a + -30) = 90

Reorder the terms:
a + 2(-30 + a) = 90
a + (-30 * 2 + a * 2) = 90
a + (-60 + 2a) = 90

Reorder the terms:
-60 + a + 2a = 90

Combine like terms: a + 2a = 3a
-60 + 3a = 90

Solving
-60 + 3a = 90

Solving for variable 'a'.

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

Add '60' to each side of the equation.
-60 + 60 + 3a = 90 + 60

Combine like terms: -60 + 60 = 0
0 + 3a = 90 + 60
3a = 90 + 60

Combine like terms: 90 + 60 = 150
3a = 150

Divide each side by '3'.
a = 50

Simplifying
a = 50

See similar equations:

| 2(1)=3y+6 | | 14-9+3= | | y=-5t^2+40t+4 | | -15=(3q-10)-5q | | 13y=16y-50 | | 14-3(5*-10-12)=1-(20*-10+1) | | 4(1-3x)+(3x+7)=-8x+1+4-6x | | 5d+2d+d=64 | | t^2-9t+10=0 | | 4x-4=-28(3) | | 5x-25=4x+20 | | -w=-10+4w | | 2x-4(4x+16)=62 | | 3(1)+y=-2 | | x(7-x)+6x=-2 | | -w=-1.75n-18 | | -10+(-11)+(-12)=v | | y=8x^2+2x-15 | | x+3x+(3x-30)=500 | | -3.6b-7.2=-12.7-6.1b | | 3(-1)+y=-2 | | a/9a-2=1/8 | | 4t(7t+3)=0 | | 3(t-5)+7t=5(2t+5)-10 | | -6(1-6b)=-(b+1)-5 | | 3*.33-16*.33=7+2(-8*.33-3) | | (X+2)(x+1)=0 | | 3x-466678=3457899 | | 0.66(x-3)+6=1.6(4x+24) | | 7x-cx-2=3cx+4 | | 2c^2+7c+3=0 | | v-34=8 |

Equations solver categories