5(7x+9)-2x=4(8x+7)+21

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Solution for 5(7x+9)-2x=4(8x+7)+21 equation: 



5(7x+9)-2x=4(8x+7)+21

We move all terms to the left:

5(7x+9)-2x-(4(8x+7)+21)=0

We add all the numbers together, and all the variables

-2x+5(7x+9)-(4(8x+7)+21)=0

We multiply parentheses

-2x+35x-(4(8x+7)+21)+45=0



We calculate terms in parentheses: -(4(8x+7)+21), so:

4(8x+7)+21

We multiply parentheses

32x+28+21

We add all the numbers together, and all the variables

32x+49

Back to the equation:

-(32x+49)



We add all the numbers together, and all the variables

33x-(32x+49)+45=0

We get rid of parentheses

33x-32x-49+45=0

We add all the numbers together, and all the variables

x-4=0

We move all terms containing x to the left, all other terms to the right

x=4

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