Rozwiąż równania:a) x-26=(2x-18)-(8-x)b) 7x-8x-(7+2x)=4(1-x)
a) x-26=(2x-18)-(8-x)x-26=2x-18-8+x
x-26=3x-26 \+26,-3x
x-3x=-26+26
-2x=0 \ :(-2x)
x=0
b)7x-8x-(7+2x)=4(1-x)
7x-8x-7-2x=4*1-4*x
-x-7-2x=4-4x
-3x-7=4-4x \+7,+4x
-3x+4x=4+7
x=11
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a) x-26=(2x-18)-(8-x)
x-26=2x-18-8+x
x-26=3x-26 \+26,-3x
x-3x=-26+26
-2x=0 \ :(-2x)
x=0
b)7x-8x-(7+2x)=4(1-x)
7x-8x-7-2x=4*1-4*x
-x-7-2x=4-4x
-3x-7=4-4x \+7,+4x
-3x+4x=4+7
x=11