9(9+x)=10(x+7)

Simple and best practice solution for 9(9+x)=10(x+7) 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 9(9+x)=10(x+7) equation:


Simplifying
9(9 + x) = 10(x + 7)
(9 * 9 + x * 9) = 10(x + 7)
(81 + 9x) = 10(x + 7)

Reorder the terms:
81 + 9x = 10(7 + x)
81 + 9x = (7 * 10 + x * 10)
81 + 9x = (70 + 10x)

Solving
81 + 9x = 70 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
81 + 9x + -10x = 70 + 10x + -10x

Combine like terms: 9x + -10x = -1x
81 + -1x = 70 + 10x + -10x

Combine like terms: 10x + -10x = 0
81 + -1x = 70 + 0
81 + -1x = 70

Add '-81' to each side of the equation.
81 + -81 + -1x = 70 + -81

Combine like terms: 81 + -81 = 0
0 + -1x = 70 + -81
-1x = 70 + -81

Combine like terms: 70 + -81 = -11
-1x = -11

Divide each side by '-1'.
x = 11

Simplifying
x = 11

See similar equations:

| 2cosx(-sinx)=0 | | m-112=237 | | 4u^2+11u+7=0 | | 7(x+2)=3x-5 | | 2x(4x+1)+(6x-9)= | | X^2+3x-20=-18 | | 7+3x=11-x | | factory^2-4y-x+3=0 | | 7h/12-4h=18/12 | | -.1x^2+8x-60=60 | | 1/5x-7=-4/5 | | (0.037)x+0.079(1)=0.065(x+1) | | 2a+7=9-4 | | 35a=7 | | 36w^2-5w-1=0 | | 4+4(x-4)=6-8(x-4) | | 2(2x+4)=-4x | | 7x-8y+9x=0 | | -3*X*X+6X=-1 | | 6q^2+13q-8=0 | | 2(3k+7)=6k-12 | | 3c(2n+3)=2n+21 | | -2x-4y=-20 | | $3.00/hour=cents/minute | | -14x+10x=2(-8-3x) | | 8+3(x-7)=3-6(x-7) | | 3.5x+10.5y=116.5 | | -4(4n+2)=28 | | 18=-5x+2x+3 | | 30+18p=25+20p | | 10=-4.8 | | 11x+16-8x=-56-5x |

Equations solver categories